1 Piano,4 Hands,Piano Duet - Level 1 - Digital Download SKU: A0.1223375 By Ace Cannon. By Charles Strouse and Martin Charnin. Arranged by Christy Kalfas. Broadway,Instructional,Musical/Show. Score. 4 pages. Christy Kalfas #819561. Published by Christy Kalfas (A0.1223375). Arranged for easy piano duet: PRIMO - plays octave higher than written (or can be played as a solo at pitch)SECONDO - plays octave lower than written