The 42-song set covers McCartney's solo work, and his work with the Beatles and Wings, and features a wide range of artists such as Jeff Lynne, Barry Gibb, Brian Wilson, The Cure, B.B.
King, Bob Dylan, Willie Nelson, Alice Cooper, Smokey Robinson, and Kiss.
Sall got the approval from McCartney to begin work on the project and began recording songs with McCartney's backing band which includes guitarists Rusty Anderson and Brian Ray, keyboardist Paul "Wix" Wickens and drummer Abe Laboriel Jr.
[1] The Cure featuring James McCartney, Paul's son, performing their cover of "Hello, Goodbye", was released on 9 September 2014 through Rolling Stone.
A thousand-copy limited edition deluxe box set was also released and includes signed artwork by Beatles associate Alan Aldridge, a USB drive designed to look like McCartney's signature Hofner bass, the DVD documentary, an audio documentary, an illustrated guide to the release, art cards, CDs, vinyl and a certificate of authenticity.