the scale and the ambition of the project, i think that s not surprising and it s with the number of technical challenges that we ve had with the mission, it s been really important to address them carefully and to take our time, and do not rush things. dr sarah kendrew there. and now for a christmas treat, see if you can guess this famous holiday track. instrumental music plays. well the instrumental is, of course, jingle bells from joni mitchell s classic river. the song first appeared on her landmark album blue back in 1971 and, 50 years later, it s gotten its first music video in time for christmas. let s have a listen. # they re cutting down trees. # they re putting up reindeer and singing songs of joy and peace. # oh, i wish i had a river i could skate away on.
the duchess of cambridge has performed at her own christmas carol event, taking to the piano at a special service from westminster abbey broadcast on christmas eve in the uk. plays for those who can t be here. kate hosted the carol service as a thank you to people who supported their communities during the pandemic. she accompanied tom walker on the piano during a performance of for those who can t be here. the singer described kate as an amazing musician and said the pair got together for top secret rehearsals in a recording studio ahead of the concert. and now for a christmas treat, see if you can guess this famous holiday track. instrumental music plays. well the instrumental is, of course, jingle bells