Being built in Indianapolis, Indiana using Stainless Steel cover plates and Phosphor Bronze reeds. In 2000, we sent the best harmonica factory in the world our design for a new harmonica with old ideas. With this new instrument, we went back in time with a traditional cover plate design, but we went more modern with everything else. In August 2003, we unveiled our Bushman Delta Frost harmonica to the world at the in Dallas, TX. From that moment on, the Delta Frost has been a smash hit with harmonica players around the world. That's because it's made right - each instrument is accurately tuned, and then securely fitted together to provide airtight, super responsive performance.