 In the case of the latter song, the new arrangement emphasised McCartney's objections to the version released on "Let It Be" in 1970, where, according to McCartney, American producer Phil Spector had added orchestral and choral parts to the Beatles' 1969 recording without his approval.Wings' line-up for this tour was Paul McCartney (vocals, bass, piano, acoustic guitar), Linda McCartney (keyboards, backing vocals), Denny Laine (vocals, electric and acoustic guitars, bass, keyboards, percussion), Jimmy McCulloch (electric and acoustic guitars, bass, vocals) and Joe English (drums, percussion, backing vocals).They were joined by brass and woodwind players Howie Casey, Steve Howard, Thaddeus Richard and Tony Dorsey.