Arnulf of St Ghislain [Arnulphus de Sancto Gilleno]
- Christopher Page
[Arnulphus de Sancto Gilleno]
(flc1400). Writer on music. He was presumably from St Ghislain in Hainaut and was possibly a member of its Benedictine community. One work by him is known, the Tractatulus de differentiis et gradibus cantorum, found only in St Paul im Lavanttal ( A-SPL 264/4). Using highly coloured language, it surveys various kinds of musician. These comprise, firstly, those who know nothing about music, and who sing their parts in the reverse of the way they should; secondly, laymen, often ignorant of the art, who cultivate trained musicians so that natural industriousness and practice makes good their deficiencies, including certain clerics who compose difficult pieces for instruments; thirdly, those whose voices are defective but who study music and teach their pupils what they cannot perform themselves; and fourthly, those with fine voices and a knowledge of musical art, singing according to rule with modus, mensura, numerus and ...