Challenging Jazz Duets Vol.2 Challenging Jazz Duets Volume 2 is a set of 5 jazz duets for players of multiple combinations of instruments. The purpose of these duets is to provide players challenging jazz duets based on the chord changes to standard jazz tunes. The titles of these duets are an obvious allusion to the titles of the standard jazz tunes: 1) NOLA Street Walk (Perdido), 2) On Blue Shark Avenue (On Green Dolphin Street), 3) A Part of You (All of Me), 4) Fall Trees (Autumn Leaves), and 5) Watermelon Woman (Watermelon Man).