String Ensemble,String Trio Cello,Viola,Violin - Level 2 - Digital Download SKU: A0.767864 By Supertramp. By Rick Davies and Roger Hodgson. Arranged by Ellen Harle. Pop,Rock. Score and parts. 15 pages. Fireworks Music #6606397. Published by Fireworks Music (A0.767864). This arrangement of Supetramp's Logical Song is for String Trio (Violin 1, Viola/Violin 2, and Cello) - both Violin 2 and Viola parts are included. Purchase includes score and all parts.