Cello,Piano - Level 3 - Digital Download SKU: A0.1104999 By Gnarls Barkley. By Brian Burton, GianPiero Reverberi, Gianfranco Reverberi, and Thomas Callaway. Arranged by Anya Alston. Jazz,Pop. Score and part. 10 pages. Anya Alston #708244. Published by Anya Alston (A0.1104999). Crazy by Gnarls Barkley for Cello with piano accompaniment, PDF includes full score and individual parts.