This is the original studio ensemble arrangement by Frank DeVol for Ella Fitzgerald's 1960 album "Ella Wishes You a Swinging Christmas." It was arranged to feature a solo vocalist along with an SATTBB vocal ensemble plus Woodwind 1: Flute and Bass Clarinet; Woodwind 2: Alto Flute and Bass Clarinet; Woodwind 3: Clarinet; Woodwind 4: Clarinet and Oboe; Woodwind 5: Bass Clarinet; Trombone; Guitar; Piano; Bass; Drums and Percussion (Chimes/Vibes/Bells). Vocal Keys: F and C