The albums feature various tracks from such artists as John Mayall, Tony McPhee, Savoy Brown Blues Band, Jo Ann Kelly, Jeremy Spencer, Cyril Davies, Stuff Smith, Albert Lee, Dave Kelly and Rod Stewart and were also the first release of several exclusive tracks recorded for Immediate between 1965 and '67.

These include recordings by Jimmy Page with Jeff Beck, Nicky Hopkins and the All-Stars,[1] plus seven instrumentals recorded by Page and Eric Clapton,[2] backed by members of The Rolling Stones (Bill Wyman, bass, Mick Jagger, harmonica and Ian Stewart, keyboard)[3] and the only recorded output by Santa Barbara Machine Head.

[4][5] A compilation of tracks from this series was released by RCA as Eric Clapton, Jeff Beck, Jimmy Page: Guitar Boogie (1971) In 1986, Line Records in Germany released the complete four-album-series as box set[8] 1986's White Boy Blues, Volumes 1 and 2 (Castle Communications), is largely made up of Blues Anytime.

3 and Leftovers presented in their original running order, with the third disc made up of other assorted tracks from the Immediate archives.

[9] The original series was reissued again in 2006 by JVC in Japan, released across two CDs presented in mini LP sleeve replicas with obi strips.