Easy Piano - Digital Download SKU: A0.912767 By The Drifters. By Artie Resnick and Kenny Young. Arranged by Challena Zellick. Contemporary. Score. 3 pages. Challena Zellick #3379209. Published by Challena Zellick (A0.912767). Early intermediate version of the 60's hit Under the Boardwalk by the Drifters. Key of G major, Left hand ostinato pattern to add interest and a gentle rocking movement. Short summer piece, playable by most early intermediate students.