A modulation in which a chord common to both keys is reinterpreted enharmonically to fit into the new key. The chord can be spelled to fit into either key, and it must be able to be heard as a sensible chord in both keys.
Enharmonic Reinterpretation
Technique of treating a chord as if it were spelled in a different key as part of a modulation.
Enharmonic Spelling
Writing a note as its enharmonic equivalent. Technique used by composers to indicate clearly the direction in which a pitch will move, and to make the music easier for the performer to read.
