is a comprehensive, chronologically-ordered study of every aspect of the group's musical life—composition, performance, recording and reception histories—from its beginnings in 1956 through 1965. Richly authoritative interpretations from every available reliable musical document are interwoven through a documentary study of many thousands of audio, video, print, and multimedia sources. The text will enable general readers and musicians as well as educated music theorists to learn new levels of beauty in the music of the Beatles.