Eddie Floyd: "Knock On Wood" live (1966) "Knock On Wood" is a 1966 hit song written by Eddie Floyd and Steve Cropper and originally performed by Floyd. His recording peaked at number 28 on the Billboard Hot 100 and spent one week at number 1 on the Soul Singles chart. The song was written in the Lorraine Motel in Memphis, Tennessee (now The National Civil Rights Museum). Steve Cropper has stated in interviews that there was a lightning storm the night that he and Eddie wrote the song, hence the