Starter Duets - 60 Progressive Duets Partition - 2 Cors en fa | | 8 Duos Pour Cors Partition - 2 Cors | | Pop quartets for all - Revised & Updated Partition - 4 Cors | | Pop trios for all - Revised & Updated Partition - 3 Cors | | Pop duets for all - Revised & Updated Partition - 2 Cors | | Super duets - 15 Progressive Duets Partition - 2 Cors |