Triolin
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The Triolin is an electroacoustic sound palette designed and built by Hal Rammel in 1991. He was inspired by the live electronics of cellist Russell Thorne and the amplified table top arrays of Hugh Davies. However, he wanted a hand held device. Wooden rods sit perpendicular around the outer edge of an artist's palette all amplified by a single contact microphone attached to the back of the instrument. The rods can be bowed, plucked, struck, or caressed to produce a surprising variety of sounds that may be at once organic or mechanical, delicate or ferocious.
Some of Rammel's music created with the Triolin has been published by Penumbra Records, a Wisconsin-based label dedicated solely to experimental music. There are a total of thirteen compact discs from this label, some of which feature Hal Rammel. His CDs on other labels can be found through the site as well.