Fly is the second album by Yoko Ono, released in 1971. A double album, it was co-produced by Ono and John Lennon. The album includes the singles "Mrs. Lennon" and "Mind Train." The track "Airmale" is the soundtrack to Lennon's time-lapse film Erection, while "Fly" is the soundtrack to Lennon and Ono's 1970 film Fly. The album was recorded around the same time as Lennon's Imagine. In an article that Yoko wrote for Crawdaddy magazine, she explained that the songs on Fly are divided into two categories: - Side 1 and 2: "Songs to dance to - Rock and songs with physical beat". - Side 3 and 4: "Songs to listen to - mind music with mind beat" User-contributed text is available under the Creative Commons By-SA License; additional terms may apply.