ocr: - - - FHEOR MUS - a - - a - . - - Harmony Play Two-part harmony is rarely used anymore and organum even less SO. 3of9 Most music you hear uses harmony based on chords. 6 A - chord IS a harmony of three or more different pitches that sound simultaneously. Summary To get from two-part harmony to chords, just add another interval. Click on play to hear a chord. - 3 steps 5: steps triad Return