<P> "Who's Making Love" is a song written by Stax Records staffers Homer Banks, Bettye Crutcher, Don Davis and Raymond Jackson and recorded by singer Johnnie Taylor . </P> <P> Released on the Stax label in the late summer of 1968, it became Taylor's breakthrough single, reaching number one on the Billboard Hot R&B singles chart and number five on the Billboard Hot 100 . It became one of the few singles Taylor would become primarily known for in the mainstream . The song featured the Stax house band, Booker T. & the M.G.'s, and Isaac Hayes (on keyboards). It was Taylor's best - selling single before the release of "Disco Lady" almost a decade later . </P> <P> According to Bettye Crutcher, the lyrics were inspired by the 1920s novelty song "Who Takes Care of the Caretaker's Daughter (While the Caretaker's Busy Taking Care)". </P> <Table> <Tr> <Th> Chart (1967--68) </Th> <Th> Peak position </Th> </Tr> <Tr> <Td> U.S. Billboard Hot 100 </Td> <Td> </Td> </Tr> <Tr> <Td> U.S. Billboard Hot R&B singles </Td> <Td> </Td> </Tr> </Table>

Who's making love to your old lady