Larry Clark・Doris Gazda

Compatible Quartets for Strings (4 cellos)
21 Quartets That Can Be Played by Any Combination of String Instruments

Compatible Quartets for Strings (4 double basses)
21 Quartets That Can Be Played by Any Combination of String Instruments

Compatible Quartets for Strings (4 violas)
21 Quartets That Can Be Played by Any Combination of String Instruments

Compatible Quartets for Strings (4 violins)
21 Quartets That Can Be Played by Any Combination of String Instruments

My First Progressive Duets (2 cellos)
For Strings - Cello Book

My First Progressive Duets (2 double basses)
For Strings - Bass Book

My First Progressive Duets (2 violas)
For Strings - Viola Book

My First Progressive Duets (2 violins)
For Strings - Violin