Sierra is a fun loving samba with a simple yet harmonically conceptual melody. There are only 4 chords to improvise on, making it a great tune for beginners, and advanced players, to explore.5 saxes, 4 trpts., 4 bones, guitar, piano, bass, drums. Trumpet range to high C#, trombone to high G Solos: alto, tenor, trumpet, trombone, piano, drums. Medium.