Instrumental Duet Instrumental Duet,Viola,Violin - Level 2 - Digital Download SKU: A0.1171583 By Elvis Presley. By George David Weiss, Hugo Peretti, and Luigi Creatore. Arranged by Heather Morgan. 20th Century,Film/TV. Score and parts. 4 pages. Heather Morgan #771890. Published by Heather Morgan (A0.1171583). Can't Help Falling in Love as sung by Elvis in the motion picture Blue Hawaii arranged for Violin/Viola duet.