Jivari - From Hindi jiva (life), aesthetic of buzzing frown in the design of many Indian chordophones
Diple - Bagpipe from the central Balkans
Sutartinės - Lithuanian multipart music
Heterophony - musical line accompanied by similar-sounding elaboration(s)
Musica Enchiriadis: Music Handbook, the earliest treatise on polyphony (anonymous, late 9th century)
Léonin - First known significant composer of Western polyphonic music (late 12th century)
Organum - Earliest form of Western polyphony, built around a chant (France, 9th century)
Homophony - musical lines of different pitches using the same (or similar) rhythm
Polyphony - two or more independent musical lines
Wolfgang Amadeus Mozart - One of the most important composers during the Classical period (lived 1756 - 1791)