The Mad Catz Mustang controller, a 100+ fret key monstrosity that can also be used as a MIDI guitar.
It also functions as a full MIDI guitar, with a MIDI output connector providing compatibility with MIDI software sequencers and hardware devices.
A guitar player, he wanted "something that worked with a simple MIDI guitar that would merge the guitar, synth and effects, and could be controlled from one or two buttons on the guitar."
Any synthesizer, like an electronic keyboard or MIDI guitar, is made up of both hardware and software.
Note On signals that a key has been pressed or a note on another instrument (like a MIDI guitar or clarinet) has been played.
I'd love to add some acoustic sound into the mix with my MIDI guitar.
Would swap for MIDI guitar.
Note that although the term "MIDI guitar" is sometimes used as a synonym, MIDI is not the indispensable feature of guitar-synthesizers, especially after the great advances in the DSP technology.
You Rock Guitar recently featured a video of Jimmy playing the MIDI guitar with the Hotz Midi Translator.
Usually it is a keyboard, but musicians are experimenting with MIDI guitars, drum sets, saxophones and other controllers.