The Beatles (album) stereo only. In the UK, the following album, "Yellow Submarine", was the last to be shipped in mono. The mono version of "The Beatles" was made available worldwide on 9 September 2009, as part of "The Beatles in Mono" CD boxed set. A reissue of the original mono LP was released worldwide in September 2014. The album's sleeve was designed by pop artist Richard Hamilton, in collaboration with McCartney. Hamilton's design was in stark contrast to Peter Blake's vivid cover art for "Sgt. Pepper's Lonely Hearts Club Band", and consisted of a plain white sleeve. The band's name, in Helvetica,
Sgt. Pepper's Lonely Hearts Club Band with Diamonds" as having the most variations of tape speed on "Sgt. Pepper". During the recording of Lennon's vocals, the tape speed was reduced from 50 cycles per second to 45, which produced a higher and thinner-sounding track when played back at the normal speed. For the album's title track, the recording of Starr's drum kit was enhanced by the use of damping and close-miking. MacDonald credits the new recording technique with creating a "three-dimensional" sound that, along with other Beatles innovations, engineers in the US would soon adopt as standard practice. "Sgt. Pepper" was the first pop album to