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
Who Are You which appeared on Pete Townshend's 1980 solo album "Empty Glass". Most notably, the line, "Killing each other, then we jump off the ledge" was changed to "Killing each other by driving a wedge" for the latest version. The album was a commercial success, going 2× platinum in the US and Canada, gold in UK, and peaking at number 2 on the "Billboard" Pop Albums chart. The soundtrack to "Grease" prevented "Who Are You" from achieving number 1 status in the US. The success of "Who Are You" generated excitement at the prospect of a new Who tour for the album.