: The choral hook includes an " oh-wee-oh-wee-oh " chant, which is a nod to the winged monkeys from the 1939 film The Wizard of Oz .
The primary featured artist on Sam Smith's single "" is German singer-songwriter Kim Petras . Sam Smith - Unholy (ft. Kim Petras) (Audio)
: Petras provides a braggadocio-style verse detailing a lover's extravagant spending at luxury brands like Fendi , Prada , and Balenciaga . : The choral hook includes an " oh-wee-oh-wee-oh