Twelve original advanced level duets published for two trombones (27628); two trumpets (27629); or trumpet-trombone duo (27630). Includes a variety of standard jazz forms such as: blues, medium swing, ballad, blues canon, 16 bar scat form, bop standard,turnaround, extended blues form, half-diminished progression, post-bop line, and more. The CD has each tune played twice - once with horns and rhythm, and again with just the rhythm section. Gale's writing is always good, and this is a very popular book. Chord symbols are included between the staves. Includes: Blues in Bb;