Piano,Trombone - Level 4 - Digital Download SKU: A0.634621 By Louis Prima & Keely Smith. By Sammy Cahn, Saul Chaplin, and Sholom Secunda. Arranged by Fishel Pustilnik. Contemporary. Score and part. 9 pages. F & N Enterprise #3881393. Published by F & N Enterprise (A0.634621). An excellent arrangement of the famous Song Bei Mir Bist Du Schon for Trombone and Piano-Jazz/Pop Version (With Improvisation).