It broke new ground, by extending the format to a double album, and also featured more UK artists than previous samplers.

The included eight-page booklet featured brief descriptions of the artists, their images, and photographs of the relevant albums.

[10] It also included publicity for other CBS Records artists as well as those on related labels such as Dandelion - Principal Edwards Magic Theatre, Beau, Bridget St John, Mike Hart & Siren; Direction - The Chambers Brothers & Taj Mahal; and Straight - Captain Beefheart, Alice Cooper, Judy Henske and Jerry Yester, Tim Buckley, & The GTOs.

[11] In Spain and Latin America, the title was translated as Llena Tu Cabeza de Rock.

[12] Finnish label Finnlevy promoted the record heavily, leading to a "virtual sellout" of a Johnny Winter performance at the Kulttuuritalo.