60 Studies – Viola

48 Estudos Op.31 – oboe ou saxofone

Primary Studies – French Horn

Etudes-Tableaux – Piano

Nuevos Estudios Secillos for Guitar

30 Progressive Studies Op.26 Vol. 1

30 Progressive Studies Op.26 Vol. 2

SUPPLEMENTAL STUDIES for trumpet + CD

Estudos Preparatorios – Double Stopping Op. 9

60 Selected studies for trombone part 1

Jazz Etudes for Drum Set

First Book of Practical Studies for French Horn