Off-topic but interesting: At Musikmesse 2016, drummer and inventor Deniz Gungor is demonstrating the Aquadrum – a tongue drum that’s designed to be easily retunable to different scales or tunings. According to Gungor, the Aquadrum builds on the original idea of Dennis Havlena’s propane tank drum (steel tongue-drum), adding the ability to retune the drum as needed, using patented… Read More The Aquadrum Brings Custom Tunings To The Tongue Drum