Sheet Metal Soundboards
BART HOPKIN - "Exploring the Science of Sound with Invented Musical Instruments"
Coil Spring Sounds: From Explorations in the Shop to Finished Musical Instruments
Bamboo Idiomount—Bart Hopkin
Soundiron Podcast | Interview with Bart Hopkin
Big Memreed—Bart Hopkin
Brancor — a musical instrument by Bart Hopkin
Hand held K — Bart Hopkin
Smoked Paprika Explained
BELLS & SUCH
Deep Guitar — Bart Hopkin
Bowed Water Psaltery — a musical instrument by Bart Hopkin
A visit at Bart Hopkin
Exploring Tines & Echoes with Bart Hopkin
SSPs
Wooden Saxophone — Bart Hopkin
Stroked Zither—Bart Hopkin
Friction K — Bart Hopkin
Waffle Gurgle Flute—Bart Hopkin
