| 40 Duos progressifs 2 altos | | 12 Duos pour alto Partition - 2 Altos | | Movie quartets for all Partition - 4 Altos | | Pop trios for all - Revised & Updated Partition - 3 Altos | | Duos für 2 Bratschen, Bd. 1 Partition - 2 Altos | | 12 Duets KV 487 Partition - 2 Altos | |