Christopher Benstead . DOUBLE BASS & PIANO. Commissioned by Cheshire Libraries and Museums Services for Gary Karr. Benstead is an English composer who has written much music for Janet Smith and Dancers. The four movements, Prelude, Conversation Piece, Lament and Finale are rhythmic and melodic. Dur This book contains pieces currently on exam syllabuses: Double Bass AB: 8, Adv Ens TG: 8 LC: 8, LLCM Pieces are approximately Grade: 8 standard.