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 billing, advertisements, and tickets were printed with the New Jimi Hendrix Experience or occasionally just Jimi Hendrix. During the first half of 1970, Hendrix sporadically worked on material for what would have been his next LP. Many of the tracks were posthumously released in 1971 as "The Cry of Love". He had started writing songs for the album in 1968, but in April 1970 he told Keith Altham that the project had been abandoned. Soon afterward, he and his band took a break from recording and began the Cry of Love tour at the L.A. Forum, performing for 20,000 people.