This work is a guide to using MIDI synthesizers, samplers, soundcards, sequencers and computers. It shows how MIDI systems for a range of situations can be assembled trouble free. It also describes how to synchronize MIDI sequencers, drum machines, multitrack equipment, SMPTE based equipment and other MIDI intsruments. The work also describes MIDI codes and the techniques used in transmitting these codes between MIDI devices. It explains how to get the most out of any situation that calls for the use of synthesizers and electronic instruments.