ocr: - - . MUS a - FHEOR : a 4 - . - - L Harmony Play What you probably feel happening as more pitches 7of9 are added on iS the creation of harmonic tension. 6 is You called can a really cluster lay it chord. on thick Ifyou by want playing to what Summary experiment with cluster chords, you can sit down at a piano keyboard and hold down as many keys as you can reach. Click on play to hear what this sounds like. Although that was an extreme example, there is music written that uses just such harmonies and chords. Return