Purple Haze track on the American release of "Are You Experienced" on August 23, 1967. Because of the song's airplay on underground FM radio, the album became more popular than Hendrix's singles. One of Hendrix's most popular songs, "Purple Haze" appears on numerous compilation albums. Some of these include "Smash Hits", "The Essential Jimi Hendrix", "The Singles Album", "Kiss the Sky", "", "The Ultimate Experience", "", "", and "The Singles Collection". An alternative version recorded at the same time, but with different vocal and guitar overdubs, is the first song on "The Jimi Hendrix Experience" 2000 box set. Live recordings of "Purple
Jimi Hendrix which was produced by Hendrix. The album includes the track "Machine Gun", which musicologist Andy Aledort described as the pinnacle of Hendrix's career, and "the premiere example of [his] unparalleled genius as a rock guitarist ... In this performance, Jimi transcended the medium of rock music, and set an entirely new standard for the potential of electric guitar." During the song's extended instrumental breaks, Hendrix created sounds with his guitar that sonically represented warfare, including rockets, bombs, and diving planes. The "Band of Gypsys" album was the only official live Hendrix LP made commercially available during his lifetime; several tracks