Cohen, A Tuneful Introduction To 2nd Finger Spacing For Violin COMMENTAIRE: 19 really easy original studies for the young player written by Mary Cohen. Each piece has playing suggestions in English and German Cohen, M.: Superstudies Book 2 - Études Pour Violon Métodos y ejercicios · Superstudies for Viola, Book 2 · Cohen, Mary: Faber Music Gmbh -978-0-571