Martin – Folk Strings for Cello Ensemble (4 cellos)
This book has 4 cello parts in score form, not four individual booklets for each part. They are of uneven difficulty with cello 1 playing the melody, cello 2 being more challenging and involving tenor clef. Cello 3 plays harmony, Cello 4 the bass line. They can be played as duos or trios.