Who Are You (song) "Who Are You" was released as a double-A side with the John Entwistle song, "Had Enough", but "Who Are You" was the more popular song, reaching the Top 20 in both the US and UK. The song has since been featured on multiple compilation albums. The single mix contains an alternate acoustic guitar solo to the album mix. The bright rock beat song is written in the key of E major. The album version includes a third verse compared to the much shorter single. Additionally, a "lost verse" mix of the song was released on the 1996 reissue of "Who
You Are What You Is (song) it from being featured on "Canoe", a 1993 episode of the American television show "Beavis and Butt-Head", also aired on MTV (though the show abruptly switches to "The Animal Song" by The Europeans early on, then returns to Zappa for the tail end of "You Are What You Is", to which Butt-Head replies, "This is still on? That pisses me off!"). "You Are What You Is" contains references to other songs throughout his career and on the album itself, commonly referred as Zappa's "Conceptual Continuity". References include "Gimme a five dollar bill and an overcoat too" from "Wonderful Wino" on