Scottish singer Emeli Sande thrilled fans in London this week (beg22Apr13) by performing a free acoustic set at a tiny venue in the British capital.

The BRIT Award winner played a stripped-down show at the historic St James Theatre on Monday night (22Apr13) in front of just 60 fans as part of MasterCard's series of Priceless Gigs, and she even stopped the concert halfway through to take questions from the audience.

Singer Rita Ora has also signed up for the scheme and will play an intimate show in London next month (23May13).

Free tickets for the one-off gigs are being given away via a ballot on