DESC: Treeworks : Chimes | Buy your MicroTree Double-Row 19 Bar Chime at Samash.com. We offer financing options! This small instrument (about 7-inches wide) will fit where other chimes won't. Perfect for small drum and percussion setups. This double-row has a unique feature: 19 different pitches. Normally double-row chimes just have two of each pitch. This produces a chorus-like effect - surprisingly full sound for such a small instrument.