"Knock On Wood" was written in the Lorraine Motel in Memphis, Tennessee (now The National Civil Rights Museum).

However, Stax label manager Jim Stewart turned down the idea of Redding recording the song.

's (Cropper on guitar, Donald "Duck" Dunn on bass, Al Jackson Jr. on drums, Booker T. Jones on keyboards), Isaac Hayes on piano and Wayne Jackson on trumpet.

[1] "Knock on Wood" was released as a single by Stax on July 25, 1966, featuring "Got to Make a Comeback" on the B-side.

[10] Floyd's version earned a Gold certification from the Recording Industry Association of America (RIAA) on July 17, 1995.

[11] The song became the title track for Floyd's debut album, released on January 26, 1967.

[1] David Bowie's live performance of the song was released as a single in several countries in 1974.

It was featured prominently in the video game The Warriors, as well as the trailers for the Walt Disney Pictures 1997 live-action film Mr. Magoo, starring Leslie Nielsen, and the 1998 film The Big Lebowski.