Pop superstar Lady Gaga debuted yet another single Monday off her yet-to-be-released sophmore album, "Born This Way."  The single, "Hair," was made available on iTunes, but you can listen to the song in the clip below.  As were many of Gaga's Numbrer 1 hits, the track was produced by RedOne, and also features a guest appearance from Bruce Springsteen's E Street Band saxophonist Clarence Clemons.  "Born this Way," menawhile is set to arrive in  stores next Monday.