Anything apart from the two mainstream default harmonicas (Solo-tuned fully-valved chromatic, and un-valved Richter 10-hole diatonic). Alternate tunings, different construction, new functionality, interesting old designs, wishful-thinking... whatever!
Hello anyone, I have a new demo on youtube ! "Richter" on the bottom half and "Kniri 221" on the upper half.Hope you are interested.Greetings Kniri https://www.youtube.com/watch?v=oSt8L3dCOPk