concept album

/ˌkɑnˈsɛpt ˌælbəm/

Definitions of concept album

1. noun

   an album whose recordings are unified by some theme (instrumental or lyrical or narrative or compositional)
   types:

   rock opera

   albums of rock music that aspired to the status of art; first appeared in the 1960s

   benefit album, tribute album

   concept album compiling a performer's work or work supporting some worthy cause

   type of:

   album, record album

   one or more recordings issued together; originally released on 12-inch phonograph records (usually with attractive record covers) and later on cassette audiotape and compact disc