"The Ox" is an instrumental piece by English rock band the Who. It was on their debut studio album My Generation (1965). The tune was improvised by Pete Townshend, John Entwistle, Keith Moon and keyboardistNicky Hopkins. This track appears as the B-side of "The Kids Are Alright" on the single's UK release. The tune was also on the compilation album Thirty Years of Maximum R&B (1994). A jingle based on this tune was released as "Top Gear" on both reissues of The Who Sell Out (1967). It is the oldest known recorded track by the Who.[4] The title is a nickname given to Entwistle by the band, because of his strong constitution and seeming ability to "Eat, drink or do more than the rest of them."
The song was very rarely played live by The Who. The only known live appearance of this song was in a medley of "My Generation" at the Concertgebouw in Amsterdam, Netherlands on 29 September 1969, part of the Tommy tour.