Additionally, George Martin desired a new recording of Twist And Shout, but there wasn't time to do this. Instead, the post-production team used the unreleased 30 August 1965 Hollywood Bowl concert recording to bolster the sound, causing - in one place - John's live vocal to be double - tracked. In fact, the Bowl recording was used extensively during the film's post-production processes for recordings of the screaming audience, especially on the two all-new London recordings.
