There are three variations of the "bum bum bum" scat parts that occur after vocal lines [2].
To capture the 1954 authentic sound, use minimal backing. The original featured a simple rhythmic "knee-slapping" and a dry bassline [17]. mr_sandman_the_chordettes
The song is a staple for SATB (Soprano, Alto, Tenor, Bass) arrangements [9, 16]. It uses close-knit harmonies where voices act like instruments [17]. There are three variations of the "bum bum