Fela Borbone is a Spanish musician well know for his home brew Amstrad CPC based sound system in live performances.
The fabulous Mierdofón...
He plays a 4 stringed "guitar" (Banjo) made with a plastic can... and have an Amstrad CPC6128 to manage a mecanical Drum system, some light effects, and of course to produce sounds thanks to the in-build Stereo AY psg.