Benefit album and Concept album

Benefit album noun - Concept album compiling a performer's work or work supporting some worthy cause.

Concept album and benefit album are semantically related. In some cases you can use "Concept album" instead a noun phrase "Benefit album".

Concept album noun - An album whose recordings are unified by some theme (instrumental or lyrical or narrative or compositional).

Benefit album and concept album are semantically related. Sometimes you can replace phrase "Benefit album" with "Concept album", this phrases are similar.