S4E4: London Liverpool Street

Claudia Winkleman and Mika are joined at Liverpool Street station by Jools Holland. A 10-year-old takes to the keys and gets the whole station singing, an 84-year-old proves that music keeps you young with a spirited rendition of Roll Out the Barrel, a satellite engineer reveals a romantic side with the music of Charles Aznavour, and a gifted 15-year-old composer performs an original piece.