Cello Solo - Level 3 - Digital Download SKU: A0.825909 By Beyonce. By Beyonce Knowles, Ryan Tedder, and Terius Nash. Arranged by The Sheet Music Library. Contemporary,Hip-Hop,Instructional,Pop,R & B,Singer/Songwriter. Individual part. 2 pages. The Sheet Music Library #6795737. Published by The Sheet Music Library (A0.825909). Xo by Beyonce - Lead Sheet for Cello based on the John Mayer interpretation.