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date: 19 September 2019



A term for a feature of Western neumatic notation. Liquescence arises in singing diphthongs and certain consonants to provide for a semi-vocalization of that vowel or consonant as a passing note to the next pitch. It is indicated by special neume shapes in all the regional notations of Western chant. Mocquereau listed the following situations where liquescence occurs: on the consonants l, m, n, r, d, t and s, when these are succeeded by another consonant; on the double consonant gn; on i and j, when these follow another consonant; on m and g, when these have a vowel on either side; and on the diphthongs au, ei and eu. Liquescent neumes include the following, in which it is understood that the last note of each neume is semi-vocalized: the Epiphonus, two notes in ascending order, the liquescent podatus (see Pes); the Cephalicus, two notes in descending order, the liquescent ...

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Paléographie musicale
Archiv für Musikwissenschaft