Carol of the bells
By John Williams as on Home Alone
The music in the current BBC Great Expectations trailer is an instrumental piece called "Outro" by M83.
Crystalised by The xx
ladies and getlemen by saliva
M83- Midnight city
Staralfur by Sigur Ros
The answer is Ladies And Gentlemen by Saliva
'I won't kneel' by Groove Armada.
I think its Tony Bennett
The HEAVY- "Short change hero" (2009)
"Budapest" from the EP "Did you hear the rain?" by George Ezra
Michael Buble - Cry Me A River
Tchaikovsky Piano Concerto No.1 (2nd movement)