noun
(music) A rearrangement of an older piece of music, possibly including various cosmetic changes.
(music) A piece of music formed by combining existing pieces of music together, possibly including various other cosmetic changes
verb
(transitive) To mix again.
(music, intransitive) To create a remix.
(music, transitive) To rearrange or radically alter (a particular piece of music).
(transitive) To modify (a work in any medium).