MIDI and USB sockets on a guitar pedal controller
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How MIDI changed the world of music

28 November 2012 Last updated at 09:34 GMT

It's 30 years since the development of technology that allowed synthesisers and drum machines to be connected to computers - and since then MIDI has revolutionised the world of music recording.

Tom Bateman reports.

Read more: How MIDI changed the world of music