This compilation album is part of "The Number One Project", a music based charity event in Liverpool, to mark its status as European Capital of Culture for 2008.

The city delivered 56 number one singles for the UK charts.

On this album 21 of these songs are covered by other Liverpudlian artists.

Atomic Kitten's cover of "Anyone Who Had a Heart" was released as a digital single, and reached no.

The Atomic Kitten song "Whole Again", covered here by Orchestral Manoeuvres in the Dark (OMD), was originally co-written by OMD members Andy McCluskey and Stuart Kershaw (along with Jem Godfrey and Bill Padley).