It's "Get That Feeling" by Curtis Knight & The Squires, featuring Jimi Hendrix on guitar.
Friendly fires - Jump in the pool
Tchaikovsky Piano Concerto No.1 (2nd movement)
Tchaikovsky Piano Concerto No.1 (2nd movement)
The music that is used in BBC's 'When Andy won wimbledon' is L.O.V.E. by V V Brown.
The music in the current BBC Great Expectations trailer is an instrumental piece called "Outro" by M83.
''Paradise'' The Ronettes.
Sigur Rós - Brennisteinn
It is Groove Armada - I Won't Kneel: taken from the Black Light album; released as a single in 2009.
The music used in the trailer for the BBC series "1864" on BBC Four is a piece by composer John Lunn. Known for his atmospheric scores, Lunn's music effectively captures the emotional and historical depth of the series. The trailer features a haunting and powerful composition that enhances the dramatic themes of the show. For specific details on the track, it might be helpful to check the BBC's official site or music credits associated with the series.
Erik Satie - Gnossienne No.1
Ellie Goulding - Lights
Is it Fever Ray? It is very lovely.