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Article

John M. Schechter

revised by J. Richard Haefer

(Sp.: mocha, ‘to cut’)

An ensemble of gourd (puro) trumpets of various sizes, used in the Chota river valley of Imbabura and Carchi provinces of Ecuador. Formed in the late 19th century by Afro-Ecuadorians without access to Western military band instruments, the ensemble includes several puros (calabazas) and pencos (cabuyos) along with other instruments. Puros, about 30 to 60 cm long, are made by cutting a rectangular blowhole near the stem end of a dried gourd and opening the distal end to form a sort of bell. Various sizes provide lead, alto, and tenor ranges. Pencos are made of hollow agave stems about 30 cm long and 7 cm in diameter, with a blowhole cut near one end on a side. The similar chile frito, an ensemble of central Guerrero, Mexico, consists of imitation band instruments made of assembled sections of gourds.

C.A. Coba Andrade: ‘Instrumentos musicales ecuatorianos’, ...

Article

Bandiri  

Set of two or more single-headed frame drums, with or without circular metal jingles, and a kettledrum used by members of the k’adiriyya Islamic sect of northern Nigeria. It accompanies the zikiri (creed formula by which a person acknowledges that he is a Muslim). The frame drum is held in the left hand and beaten with the fingers of the right....

Article

Michael Webb

(Tok Pisin for ‘bamboo band’).

Both a struck aerophone (alternatively, an idiophone) comprising a set of three or five tuned bamboo tubes, and the name for an ensemble including these instruments. It was featured in popular music in the Solomon Islands (its place of origin) and parts of Papua New Guinea and Vanuatu for several decades from the 1970s. The primary instrument is derived from the handheld tuned stamping tube, and comprises a set of 7- to 9-cm-diameter bamboos, open at both ends and graduated in lengths of up to 2 metres, arranged in raft form. A band will include at least three sets; each set is commonly tuned (to a guitar) 1–3–5–6–8 (or 1–3–5), usually in a low register, to sound one of the three primary chords in a given key. With flexible paddles players vigorously slap in succession one open end of each bamboo in a boogie-woogie rhythmic-melodic pattern that outlines a triad; sets alternate according to changes in harmony. The ensemble includes guitars and accompanies harmonized singing. A related Solomon Islands ensemble without guitars yet employing Westernized tuning, involves multiple sets of panpipes, ‘pantrumpets’, and the rack-mounted bass ...

Article

Anne Beetem Acker

[Mobile]

Ensemble of performers using programmable mobile (cellular) phones. MoPhoO, the Mobile Phone Orchestra of CCRMA at Stanford University, formed in 2007 with 16 phones and players under the supervision of Ge Wang, Georg Essl, and Henri Penttinen, claims to be the first repertoire- and ensemble-based mobile phone performance group. Notably it uses only the phone’s onboard speakers. Since MoPhoO’s founding, other cell phone ensembles have been founded at the University of Michigan, Berlin (both founded by Georg Essl), and in Helsinki (directors Henri Penttinen and Antti Jylhä). The Michigan ensemble uses custom-made wearable speaker systems. Repertoire consists of scored compositions, sonic sculpture, and structured improvisation. For each piece, the phones run customised programmes that direct how they respond sonically to inputs that can come from the keypad or touchpad, the accelerometer positions, the built-in camera, or the microphone. For example, the keypad numbers can be mapped to different pitches in different modes, or to any sort of sound or sequence of sounds. While cell phones have considerable computing capability, they have limited acoustic bandwidth, but partial selection can suggest bass frequencies that are below the cell phone’s actual capability....

Article

Richard Johnston

Guitar, mandolin, and ukulele manufacturer. It was founded in Houston, Texas, in 1976 by Bill Collings (b 1948), who had moved from Ohio to Texas following a failed attempt at medical school. After building a few guitars and some banjos, Collings moved to Austin in 1979. His background as a machinist led him to emphasize precise jigs and fixtures even when he was working out of a small single-car garage. Demand for Collings guitars, specifically for updated versions of Martin and Gibson flat-top styles from the 1930s, prompted his move to a 1,000-square-foot shop in 1989. Two woodworkers were hired, including Bruce Van Wart, who is still in charge of wood selection and top voicing on the firm’s acoustic guitars. By this time, production had increased to a level that allowed sales to a few retailers.

In late 1991 the company relocated to a much larger facility on the outskirts of Austin, and the number of Collings guitar models, and employees, began to grow. Bill Collings was one of the first flat-top guitar builders to offer fully carved arch-top models as well. These deluxe jazz guitars were quickly accepted as the equals of those from premier American builders, and they sold for similar prices; but only a few were completed each year. Collings was also one of the first small, independent guitar companies to incorporate CNC (computer numerical control) carving machines for building both guitar parts and the precise tooling to aid in their assembly, which is still done by hand. One of the signature differences between the Collings models and the Gibson and Martin originals that inspired them is that Collings uses an unglued bolted mortise and tenon neck joint, rather than a traditional dovetail....

Article

Nicholas Temperley

The two halves of the choir (in an architectural sense) in an English cathedral or a large church or chapel: decani is the south side, cantoris the north. The names mean ‘dean’s [side]’, ‘cantor’s [side]’, and refer to the two highest officials of the chapter of a medieval cathedral. The Cantor, or precentor, ranked immediately after the dean in secular cathedral establishments. The dean’s stall was at the west end of the choir, facing east, just to the south of the central aisle; the cantor’s was opposite, north of the aisle. For certain duties the choir (in a musical sense) was also divided into two equal halves. The singers on the dean’s side – decani – took the leading part one week, those on the cantor’s side – cantoris – the next; during the seasons of the three great festivals the alternation was daily. Psalms, canticles and hymns were sung in alternation between the two halves. Together with much other Latin terminology, the names survived the Reformation, and have been used ever since in cathedral music to signify the two halves of the choir....

Article

Anne Beetem Acker

Line of MIDI-based reproducing player pianos introduced by Yamaha Corporation in 1982 (1986 in North America). The Disklavier system combines an acoustic piano with an electromechanical player-piano system. As in other such systems, fibre-optic sensors register the movement of keys, hammers, and pedals during performance, while the digital controller operates a bank of solenoids installed under the piano’s key bed; one solenoid is positioned under the tail of each key, with additional solenoids connected to the pedal rods. Performance information is stored digitally on CD-ROM, floppy discs (still used for many accompaniments for instructional piano material), or a hard drive. Disklavier systems can be connected to sequencers, tone modules, and computers via MIDI and Ethernet. A built-in speaker system attached to the case under the soundboard is used to play back optional digital piano sound and especially for playback of accompanying orchestral or vocal tracks.

Unlike other electronic player systems, the Disklavier is only installed in new Yamaha pianos and only at the factory. It cannot be installed in older Yamahas or other brands of pianos. Compared with other systems, the Disklavier’s recording capability is generally regarded to be of the highest quality and sophistication. Of the Disklavier models available in ...

Article

Duo-Art  

Article

Dyegele  

Konin Aka

Term for a xylophone or ensemble of xylophones and kettledrums of the Senufo people in the Korhogo region of the Ivory Coast. The ensemble normally comprises three or four frame xylophones, each with 12 bars slung on cords attached to the frame at each end. Under each bar is a gourd resonator with spider’s web mirliton. All the xylophones have the same pentatonic tuning; they are accompanied by three wooden kettledrums. The players wear iron jingles on their wrists. The ...

Article

Hugh Davies

revised by Anne Beetem Acker

[Elektronmusikstudion] (Swed.: ‘electronic music studio’)

The Swedish national centre for electronic music and sound art, in Stockholm. It was preceded by a smaller studio run by the Worker’s Society of Education from 1960. EMS was established by Swedish Radio in 1964 under music director and composer Karl Birger Blomdahl (1916–68), who hired the composer and performer Knut Wiggen (b 1927) to take charge of creating the studios. In 1965 an old radio theatre studio called the klangverstan (‘sound workshop’) opened for composers. Construction of a new facility was begun, but after Blomdahl’s death EMS became independent, funded only in small part by Swedish Radio, and otherwise by Fylkingen (a society for experimental music and arts) and the Swedish Royal Academy of Music.

Wiggen envisioned EMS as both a place to produce electro-acoustic music and a research institution that would give the composer ‘the possibility of describing sounds in psychological terms’. The studio was equipped accordingly. The sound sculpture ...

Article

John Barnes, Charles Beare and Laurence Libin

Faking musical instruments can involve such acts as creating an entirely new deceptive object, rebuilding an instrument with intent to deceive, conflating parts from different sources to form an instrument with a fictitious history, or forging an inscription on an instrument (and producing false documentation) in order to associate it with an advantageous name or period. A successful faker needs to know what customers want and the extent of their historical knowledge. Fakes can thus shed light on those who were deceived as well as on those responsible for deception. Partly to discourage misrepresentation, during the Middle Ages European trade guilds began to register makers’ marks and require their use on products; bells were perhaps the first instruments to bear such identification. Despite continuing efforts to suppress the practice, and improving methods of detection, faking and forgery, especially of valuable instruments sought by collectors as investments, continue to flourish.

Instruments of the famous Ruckers family, enlarged and redecorated to satisfy contemporary taste and musical requirements, were in demand in the 18th century, particularly in Paris. Since the alterations concealed much of the original material and involved replacement of many parts, it was not difficult for those engaged in this trade to satisfy the market without actually starting from an original Ruckers instrument. Several workshop inventories taken for legal purposes refer frankly to counterfeit Ruckers harpsichords....

Article

Carolyn Bryant

Founded in 1972, the organization seeks to facilitate learning about the art, craft, and science of lutherie. It was organized by a group of craftsmen to provide a forum for sharing information about building string instruments, including guitars of all types, mandolins, lutes, violins, and others. In 2010 it had more than 3600 members from the United States and 40 other countries.

The Guild (<http://www.luth.org>) welcomes makers of all experience levels and is committed to advancing the free exchange of information to allow its members to learn from the experiences of others in the field. Its quarterly journal American Lutherie (published since 1985) is the primary vehicle for accomplishing the Guild’s goal of sharing information. In addition, the organization has published Historical Lute Construction (2001), an expanded version of articles written by master luthier Robert Lundberg, as well as Lutherie Tools (1990) and ...

Article

Anne Beetem Acker

Interactive computer network used as an extended musical instrument, played by a San Franciso Bay–area experimental computer network band also called The Hub. The band, founded in 1985 by Tim Perkis and John Bischoff, evolved from the League of Automatic Music Composers (1978–83). The concept of The Hub is to create live music resulting from the unpredictable behaviour of the interconnected computer system. The composer/performers consider their performances a type of ‘enhanced improvisation’.

Initially The Hub provided a custom-built central ‘mailbox’ computer and made use of a MIDI network providing communication between the composer/performers’ synthesizers. With the maturation of commercial MIDI equipment, the band shifted to using the Opcode Studio V multiport MIDI interface for their hub. Since MIDI is designed to allow one player or computer to control a group of synthesizers but not to allow a network of synthesizers to interact, band member Scot Gresham-Lancaster devised a way to program the system so the Opcode Studio V could route messages among all the synthesizers in the network....

Article

British firm based in Surbiton, Surrey, founded in 1995 by Martin Phelps and Alan Kempster to introduce ‘electronic hymnals’ to the UK market. The firm distributes British-made portable devices that can store and play back 3000 or more hymn accompaniments and simultaneously display hymn verses on large screens. The electronic hymnal, known as ‘Hymnal Plus’, has a broader repertory than most organists and can supplement or replace the use of an organ, especially in the increasing number of churches that lack an organist. It is also useful for worship services in schools, retirement homes, prisons, hospitals, ships, and outdoor venues where no organ is available. Additional music can be imported from iPods, MP3 players, and the like. The MIDI-equipped HT-300 model, introduced in 2005, can be pre-programmed for each service and is controlled by the worship leader from a wireless, LCD touch-screen handset. Tempo, pitch, loudness, musical style, choice of verses, and other features are variable; preset musical styles range from traditional, digitally sampled pipe organ accompaniment to ‘happy clappy’ instrumentals. An interactive psalm accompaniment feature is available for Anglican chant. Loudspeakers are built into the unit, which can also be connected to an external sound system. Devices have been sold in Africa, America (with revised repertory list), and Australia, as well as throughout the UK....

Article

Sarah Deters Richardson

[IDRS]

International organization established in 1971, dedicated to double reed players, instrument manufacturers, and enthusiasts. The society aims to enhance the art of double reed playing; encourage the performance of double reed literature; improve instruments, tools, and reed-making material; encourage the composition and arranging of music for double reeds; act as a resource for performers; assist teachers and students of double reed instruments; encourage cooperation and an exchange of ideas between the music industry and the society; and foster a world-wide communication between double reed musicians (IDRS Constitution, 1997). IDRS has over 4,400 members from 56 countries. The society’s website (www.idrs.org) hosts archives of its publications, conferences, and competitions, along with information on double reed performance, pedagogy, and research.

The society grew out of a thrice-yearly newsletter, To the World’s Bassoonists (1969–77). In the second year of its existence, a parallel newsletter, To the World’s Oboists...

Article

Sarah Deters Richardson

[IHS]

International organization dedicated to horn performance, teaching, composition, and research, and the preservation and promotion of the horn as a musical instrument. The society was formed in June 1970 at the Second International Horn Workshop, in Tallahassee, Florida. It began publishing a refereed journal, The Horn Call, in Feb 1971; since its inception the journal has grown from a biannual to a quarterly publication. The society holds workshops, lectures, and seminars; awards grants and scholarships; encourages new compositions and arrangements for the horn; and presents honors and recognition for distinctive service related to the horn. It also maintains the IHS Archive, housed in the Sibley Music Library at the Eastman School of Music, as a repository for documents and memorabilia related to the history and development of the society, as well as for specially donated material relating to the horn. Its website www.hornsociety.org contains information on society activities and events of interest to horn players. IHS has over 3500 members from 55 countries, including university teachers, students, horn designers/builders, composers, music libraries, music publishers, internationally renowned touring artists, symphony musicians, and amateur players....

Article

Andrew C. McGraw

[tek-tek]

Processional ensemble of Banyumas, Central Java, Indonesia. The ensemble, developed since 2000, includes up to 20 kentongan (tek-tek) consisting of two tuned lengths of bamboo from 50 to 80 cm long cut in the manner of the calung bar, screwed onto a square frame of bamboo, and carried on a rope strung around the player’s shoulders. The bars are struck with a padded wooden mallet. Up to five musicians play beḍug, large homemade drums constructed from plastic barrels and rubber or plastic heads ranging from 30 to 45 cm in diameter and struck with large padded mallets. A single musician plays several small, one-headed drums and cymbals arranged in the manner of Western marching tom-toms. The melody is played by a single musician on a diatonic set of angklung rattles and doubled on a gambang xylophone. A small suling flute is added along with maracas and Western marching cymbals. The ensemble is played by youth groups in parades, at community centres, and sometimes in organized competitions in which female dancers and MCs are included. Its repertoire includes material adapted from Javanese ...

Article

Laba bu  

Margaret J. Kartomi

revised by Andrew C. McGraw

[labe buu]

Ensemble of two to four end-blown buffalo horns (bu) and two or three single-head drums (laba), of the central Ngada region of Flores, Indonesia. The horns range from 30 to 40 cm long and each produce one note. The drums, called laba bhegu in Ngada, range from 75 to 80 cm long and 15 to 20 cm in diameter and have a horsehide head affixed to a bamboo body with rattan lacing. They are beaten by a standing musician using two wooden sticks. The ensemble, now rare, formerly performed as soldiers went to war or for ceremonies commemorating war. More recently the ensemble accompanies a war dance performed by men and women....

Article

Anne Beetem Acker

Multipurpose musician-machine interface and gesture transducer for electro-acoustic music and multimedia use, developed by the French musician and sound engineer Serge de Laubier (coordinator/designer), Yvon Alopeau (designer), Jean Loup Dierstein (electronics), and Dominque Brégeard (mechanical design) at the Puce Muse studios/Espace Musical in Rungis, south of Paris. Laubier is also co-inventor of the Space octophonic processor and author of the MIDI Former software distributed by Opcode Systems, Inc. The Meta-Instrument was designed to be portable, MIDI compatible, fun to play and look at, and ergonomic in operation.

The first Meta-Instrument was built in 1989, the second generation completed in October 1995, and the third completed in 2004. Each later instrument is compatible with the previous version. The player interface is connected to an analogue-to-digital interface which is connected to a Mac laptop computer that runs different programs for the many different possible ‘instruments’ that the Meta-Instrument can control. The early versions allowed the manipulation of 32 variables simultaneously and independently, while the third version accommodates up to 54 simultaneous and independent variables. The seated performer’s arms embrace the two symmetric sides of the Meta-Instrument. Ten keys for the performer’s fingers, arranged in two rows of five keys each, measure attack speed and then key position. In the ...

Article

Anne Beetem Acker

Interactive audiovisual instrument created by the music and sound designer Norbert Schnell of the Institut de Recherce et Coordination Acoustique/Musique (IRCAM) with the Berlin-based artist and composer Christian Graupner and software artist Nils Peter of Humatic Berlin, in cooperation with the Trans Media Academy (TMA) Hellerau and dancer/choreographer Roberto Zappalà of Compa-gnia Zappalà Danza. Humatic, a media arts and tools firm, was founded in 2000 by Christian Graupner and Nils Peter.

The Mindbox Slot Machine was originally created as a stand-alone media installation that performed pre-recorded songs ‘from the swamps of Casino Capitalism and Total Body Control’, according to Graupner. In 2000 Zappalà began to experiment with repeating amplified environmental noises together with the rhythmic vocal patterns integral to his dance performances. Graupner met Zappalà’s managing partner in Monaco where both were showing their work at the Monaco Dance Forum, and in 2006 Zappalà and Graupner began working jointly on the slot machine project. They created an extensive video and audio library of choreographed gestures and sound patterns that became the basic material for MindBox. In summer ...