1. .... (Mus.) Capable of endless repetition; -- said of certain forms of the canon, called also perpetual fugues, so constructed that their ends lead to...

2. .... Specifically: (Mus.) A part performed by instruments, accompanying another part or parts performed by voices; the subordinate part, or parts, acc...

3. .... (Mus.) An exercise; a composition serving an educational purpose; a study.

4. .... (Mus.) (a) Originally, sounding alike; of the same pitch; unisonous; monodic. (b) Now used for plain harmony, note against note, as opposed to po...