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 You Is", "Tinsel Town Rebellion" and two series of live albums, "Shut Up 'n Play Yer Guitar" and "You Can't Do That On Stage Anymore". Zappa had performed most of the material from "You Are What You Is" on a tour running from March to July 1980 with a band including Ike Willis and Ray White on guitar and vocals, Tommy Mars on keyboards, Arthur Barrow on bass and keyboards and David Logeman on drums. This band recorded the basic tracks of the album in the summer of 1980 after finishing the tour, with guitarist Steve Vai and vocalist Bob