Amii Stewart is an American disco and soul singer recognized for her powerful and evocative vocals. Born on January 29, 1956, she rose to international prominence in the late 1970s with her hit cover of Eddie Floyd's "Knock on Wood", which topped the U.S. Billboard Hot 100 and earned her a platinum record. Her music primarily fuses elements of disco, soul, and pop, with her later work incorporating gospel and contemporary R&B. Stewart's contribution to the disco era and her distinctive vocal style have solidified her place in music history.