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Edinburgh's crowdsourced symphony made with MIT apps

27 August 2013 Last updated at 13:28 BST

Edinburgh is about to host the first performance of Festival City - Europe's first symphony to be composed using crowdsourced sounds and arrangements suggested by the public via specially-created computer apps.

It is the creation of Tod Machover - a professor from the Massachusetts Institute of Technology (MIT) Media Lab whose team previously helped create computer games Guitar Hero and Rock Band as well as technologies used by musicians Peter Gabriel, Prince and Yo-Yo Ma.

The 12-minute piece is being premiered at the Edinburgh International Festival and will be played by the Royal Scottish National Orchestra (RSNO), led by music director Peter Oundjian. The two men previously worked on a similar project for Toronto.

The BBC was given exclusive access to the rehearsals.