Catherine and Charlotte perform piano duet for Christmas carol concert

The pre-recorded performance aired on ITV1 on Christmas Eve and saw the pair play a piece by Scottish composer Erland Cooper.

​Catherine and Charlotte perform piano duet for Christmas carol concert The pre-recorded performance aired on ITV1 on Christmas Eve and saw the pair play a piece by Scottish composer Erland Cooper. The pre-recorded performance aired on ITV1 on Christmas Eve and saw the pair play a piece by Scottish composer Erland Cooper.