MidiX is a MIDI Karaoke player that can play standard MIDI format files
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MidiYodi is an app that allows editing, examination and playback of MIDI files.
Use the computer keyboard to play midi. Most keys are customizable.
The software MidiWorks is used for processing midi files and karaoke
combines the freedom and flexibility of classic modular synthesis
Software SF2 based MIDI synthesizer accessible as a standard MIDI Out device.