ocr: - - - - . MUS - a FHEOR : . - Harmony Play When the harmony in a piece ofmusic consists oftwo note intervals it is called two-part 20f9 harmony. ofharmony It: iS in believed Western that this music. was the earliest 6 form Summary Iwo-part harmony was used by the early Christian church to harmonize chant using a method called, organum, or parallel 4th. u - à This means that every note ofthe melody was harmonized at the interval ofa perfect 4th. 14 - Click on play to hear 02g trobar eaunengas entenbiméto pozen queno aas an early chant tune harmonization. Return