The Challenge (Demo) Album: Party Dancing: The Greatest HitsArtist: Pet Shop Boys Listen and download
I Must Be Doing Something Right (Demo) Album: Challenge Recordings (CD2)Artist: The KNICKERBOCKERS Listen and download
You're Something Else (Demo) Album: Challenge Recordings (CD2)Artist: The KNICKERBOCKERS Listen and download
Whenever I See You (Demo) Album: Challenge Recordings (CD1)Artist: The KNICKERBOCKERS Listen and download
Challenge For Power Album: In Battle There Is No Law (Demo)Artist: Bolt Thrower, Karl Willetts Listen and download