We don't have synonyms for contrafact yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are contract and contradict.
(n) :
A new musical composition built out of an already existing one, most often a new melody overlaid on a familiar harmonic structure. An important part of the development of bebop. Contrafacts are not to be confused with musical quotations, which borrow rhythms or melodies from an existing composition.
(n) :
A new musical composition built out of an already existing one, most often a new melody overlaid on a familiar harmonic structure. An important part of the development of bebop. Contrafacts are not to be confused with musical quotations, which borrow rhythms or melodies from an existing composition.