EntityQ444340· pop 7· linked from 15 articlescrab canonSign in to savean arrangement of two musical lines that are complementary and backwardConnectionsJohann Sebastian BachEntityInternational Standard Book NumberEntitypalindromeEntitymusic theoryEntitycanonEntityDouglas HofstadterEntityThe Musical OfferingEntityGödel, Escher, BachEntityinversionEntityretrogradeEntityCategoriesCanon (music)Polyphonic form