I wound some 15″ long springs with 0.29″ music wire on a 3/16″ rod, using a magnetic transducer as a pickup. This is what one sounded like. Play it here
I wound some 15″ long springs with 0.29″ music wire on a 3/16″ rod, using a magnetic transducer as a pickup. This is what one sounded like. Play it here