String quartet performs hits from Coldplay and Imagine Dragons: Clocks, Something Just Like This, Radioactive, Adventure of a Lifetime, Fix You, Natural, Next to Me, The Scientist, Follow You, Bad Liar, Believer, Sky Full of Stars, Viva la Vida. Duration: 60 minutes. Age requirement: 8+. Performers: Sound Quartet (Feb 23), Rosa Kvartetten (Mar 15), others TBA.