Haxophone
The Haxophone is an electronic take on the weird brass/woodwind chimera, the saxophone. Its maker, Javier Cardona, modestly reckons that it’ll never be a substitute for the sound of a saxophone, but it is a lot more portable, and is likely to be a hell of a lot cheaper than a decent sax. It’s also OSHWA- certified open-source hardware, so if it breaks, you can just 3D-print a replacement part.
The Haxophone is a Raspberry Pi HAT programmed in Rust, and will be appearing on Crowdsupply.com soon.