- James Holland
German firm of percussion instrument manufacturers. It was founded near Stuttgart in 1968 by Bernard Kolberg (b Oberschliesen, Upper Silesia, 1942), a percussionist and engineer. The firm has been influential in extending the possibilities of existing instruments and in the development of new ones. It has produced extended-range tubular bells (three octaves), crotales (five octaves), bell plates (five octaves), anvils (four octaves), boobams (three octaves) and other instruments, and a mounted tambourine to facilitate the endless thumb trill; it has also developed a number of technical innovations for pedal timpani....