Tom Williams on making his choir sing in the dark

As if it wasn't enough for Tom Williams and the Fitzhardinge Consort to be opening the whole of the first ever Bristol Proms festival, they also have to perform their whole concert in the dark.

Williams took some time after rehearsal to talk to Classic FM's Jane Jones about the Consort's magical programme, and the sheer practical difficulties of getting a choir to sing in time when they can't really see the conductor properly.