Easy Jazz Ensemble - Grade 2 Few of the famous funk themes from the '70s are more well-known than this classic by Isaac Hayes. Rick's authentic-sounding rendition makes it playable by just about any band. Enjoy great flexibility with the Easy Jazz Ensemble series! Playable with 4 saxes, 3 trumpets, 3 trombones and rhythm. The audio is accessed online using the unique code inside each book and can be streamed or downloaded. The audio files include PLAYBACK+, a multi-functional audio player that allows you to slow down audio without changing pitch, set loop points, change keys, and pan left or right.