The filmed rehearsals were marked by ill feeling, leading to George Harrison's temporary departure from the group. As a condition of his return, the members reconvened at their own Apple Studio, and recruited guest keyboardist Billy Preston. Together, they performed a single public concert on the studio's rooftop on 30 January, from which three of the album's tracks were drawn. In April, the Beatles issued the lead single "Get Back", backed with "Don't Let Me Down", after which engineer Glyn Johns prepared and submitted mixes of the album, then titled Get Back, which the band rejected. As bootlegs of these mixes circulated widely among fans, the project lay in limbo, and the group moved on to the recording of Abbey Road, released that September.
The filmed rehearsals were marked by ill feeling, leading to George Harrison's temporary departure from the group. As a condition of his return, the members reconvened at their own Apple Studio, and recruited guest keyboardist Billy Preston. Together, they performed a single public concert on the studio's rooftop on 30 January, from which three of the album's tracks were drawn. In April, the Beatles issued the lead single "Get Back", backed with "Don't Let Me Down", after which engineer Glyn Johns prepared and submitted mixes of the album, then titled Get Back, which the band rejected. As bootlegs of these mixes circulated widely among fans, the project lay in limbo, and the group moved on to the recording of Abbey Road, released that September.