As a high school music teacher, Bart Hopkin didn't have much chance to explore his fascination with strange and exotic instruments. It's not like he could have outfitted the entire teen horn section with Russian zgamoniums, or replaced the first chair flute with a French stiltophone, or switched the rhythm section's snare drum for his own creation, Savart's Wheel -- a complicated contraption consisting of corrugated rubber patched over a giant spindle, and... More >>>