Additionally, the two aforementioned albums, Yesterday and Today, and the US versions of A Hard Day's Night and Revolver were released for the first time on CD in this box set.

Unique stereo and mono mixes prepared in the UK for US release are sourced from the original tapes.

Pepper's Lonely Hearts Club Band does not have the inner groove sound featured on the UK edition).

Originally, the American version of Magical Mystery Tour was also unique, as a Capitol Records compilation of the band's British EP and 1967 singles.

When the Beatles catalogue was first issued on compact disc in 1987, the American Magical Mystery Tour running order was chosen as the official version of the release.