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,
The Beatles the band's entourage are sometimes given the informal title of "fifth Beatle". As their enormous popularity grew into the frenzy dubbed "Beatlemania" in 1963, they acquired the nickname "the Fab Four", and by early 1964 became international stars, leading the "British Invasion" of the United States pop market. From 1965 onwards, the Beatles produced increasingly innovative recordings, including the albums "Rubber Soul" (1965), "Revolver" (1966), "Sgt. Pepper's Lonely Hearts Club Band" (1967), "The Beatles" (also known as the "White Album", 1968) and "Abbey Road" (1969). In 1968, they founded Apple Corps, a multi-armed multimedia corporation. After breaking up in 1970,