Concept album and Tribute album

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

Tribute album and concept album are semantically related. In some cases you can replace phrase "Tribute album" with "Concept album", this phrases are similar.

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

Concept album and tribute album are semantically related. You can use "Concept album" instead a noun phrase "Tribute album".