Fine Tuning: 50 Intermediate String Ensembles for Developing Solid Intonation and Tone Production. By Frank Spinosa and Harold W. Rusch. Published by Kjos.
Fine Tuning is a collection of 50 short pieces which have been compiled and arranged for intermediate level string ensembles of all sizes. It features a wide variety of music, representing the late renaissance period through the early contemporary period. Each piece offers many opportunities to strengthen intonation, tone, and balance.