A due
DEFINITION
For two voices or instruments; a duet. Also used to indicate that two instruments playing from the same part or score are to play in unison, after divisi or a solo passage for one of the instruments. intended as a duet; for two voices or instruments; together; two instruments are to play in unison, after divisi or a solo passage for one of the instruments(1) direction that two instruments notated on one staff should unison. However, the term is also used to mean divisi (2) both instruments on the same part are to play