Which form of entertainment is offered by Regina Spektor, a Russian-American and Bombay Bicycle Club, consisting of Jack Steadman, Jamie MacColl, Suren de Saram and Ed Nash, from London?
Bombay Bicycle Club:  They are guitar-fronted and have experimented with different genres, including folk, electronica, world music and indie rock. Regina Spektor: Regina Ilyinichna Spektor ( , Russian: Реги́нa Ильи́нична Спе́ктор , ] ; born February 18, 1980) is a Russian-born American singer-songwriter and pianist.
i don't know