This eight-minute rumination on life and love features a flock of Canadian geese.
The song was later adapted and re-recorded by Martyn as "Anna" for the 1978 Australian feature film In Search of Anna. This version of "Anna" also appears on Martyn's live album Live At The Bottom Line, New York, 1983.
Angus Young created the distinctive opening guitar part for "Thuderstruck" by playing with all the strings taped up, except the B. He learned the studio trick from his older brother George Young, who was the rhythm guitarist for The Easybeats.
The chorus of "Voulez-vous coucher avec moi ce soir" in "Lady Marmalade" is French for "Do you want to sleep with me tonight?" When Labelle performed it on television, they had to change it to "Voulez-vous danser avec moi ce soir" (Do you want to dance with me tonight?).