Home › Authors › SPINOSA, FRANK & RUSCH, HAROLD W. 👤 SPINOSA, FRANK & RUSCH, HAROLD W. 1 book Books by SPINOSA, FRANK & RUSCH, HAROLD W. FINE TUNING : 50 INTERMEDIATE FINE TUNING : 50 INTERMEDIATE STRING ENSEMBLES FOR DEVELOPING SOLID INTONATION & TONE PRODUCTION