Yamaha PSRS500 61-Key Arranger Workstation Keyboard

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Musical Instrument Digital Interface – The MIDI Trinity

Officially, MIDI stands for Musical Instrument Digital Interface, and it was invented in 1982. These days, it refers to three components: 1. A physical connector - between electronic instruments and between electronic instruments and a MIDI controller, usually a keyboard. The connector takes the form of MIDI IN and MIDI OUT ...