Ecco un piccolo elenco ...... ritengo i due volumi del Viola un dovere .......
Viola, Joseph - Technique Of The Saxophone - Volume 1 - Scale Studies
Viola, Joseph - Technique Of The Saxophone - Volume 2 - Chord Studies
Ramon Ricker - Technique Development In Fourths For Jazz Improvisation
Ramon Ricker - Advvanced Chord Etudes for Saxophone
Oliver Nelson - Improvisation for saxophone patterns