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All was going well and sounding glorious, right up until the trombone player failed to stifle a sneeze – straight into his instrument.
The crowd didn't seem to batter an eyelid at the noise of the sneeze, which sounded like an elephant.
The hilarious clip has been viewed nearly half a MILLION times.
Bet he's glad it was only one sneeze – not even the most polite audience member could ignore the sound of a herd of elephants in the room!