54x7 - BBC Proms

Live coverage from London's Royal Albert Hall of tonight's Prom which features leading American orchestra the San Francisco Symphony, conducted by Michael Tilson Thomas. The concert opens with Carl Ruggles's Sun-Treader and is followed by Schumann's Piano Concert in A minor, played by Martha Argerich. The second half features Stravinsky's 20th-century classic The Rite of Spring. Presented by Stephanie Hughes.