Amii Stewart and Johnny Bristol are both notable solo artists who briefly collaborated in the late 1980s. Stewart, an American disco and soul singer, is best known for her 1979 hit "Knock on Wood", while Bristol was an influential R&B singer and songwriter who contributed to the Motown sound. Their joint album, "My Guy/My Girl", released in 1980, features a duet-style reimagining of popular Motown classics. The pairing highlighted Stewart's powerful vocal range alongside Bristol's smooth, soulful tones, marking a unique moment in disco and R&B history.