CONTEMPORARY VIOLIN TECHNIQUE Volume ONE part 1 & 2 by Ivan Galamian & Frederick Neumann (Scale and Arpeggio Exercises with Bowing and Rhythm patterns) VIVA VIBRATO By Gerald F. Fischbach & Robert S. Frost. (A comprehensive, friendly and effective course of study for the development fo Vibrato on Violin, Viola, Cello, and String Bass in Group or Private instruction). Asking $5. each o.b.o.