Isorhythm (from Gk. isos: ‘equal’ and rhythmos: ‘rhythm’)
- Margaret Bent
A modern term applied with varying degrees of strictness to the periodic repetition or recurrence of rhythmic configurations, often with changing melodic content, in tenors and other parts of 14th- and early 15th-century compositions, especially motets. Since its introduction, however, the term has been more widely applied than is warranted, often with conflicting meanings. It belongs to a family of descriptive terms including ‘isomel(od)ic’ (...