Instrumental Duet Alto Saxophone,Baritone Saxophone,Instrumental Duet - Level 3 - Digital Download SKU: A0.774697 Composed by Arrigo Tomasi. Instructional,Jazz. Score and parts. 4 pages. PartiturasDigitales.net #4615327. Published by PartiturasDigitales.net (A0.774697). Melodic Jazz Improvisation Series is a compilation of improvisations on chords changes of jazz standards with the aim of creating samples of melodic phrasing that you can use and adapt in your improvisations.