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Utah Symphony Associate Conductor David Cho surprised his girlfriend –and the audience– with a marriage proposal at the Utah Symphony's November 13 performance of The Wizard of Oz. Here is a YouTube clip of the proposal, which he did on the big screen via pre-recorded video:http://www.youtube.com/watch?v=pKhe8lfJo3E

I have filed a public records request to find out how many carats the ring contained.