Part of the BBC Proms. Valery Gergiev and the LSO perform Stravinsky's scintillating first ballet score for the Ballets Russes (composed 100 years ago), based on the Russian folk tale of the exotic Firebird imprisoned by the evil magician Kashchey. Scriabin was nothing if not ambitious: he began his symphonic output with a massive work in six movements, complete with a choral finale in praise of art and including two solo vocal roles, taken tonight by members of Gergiev's Mariinsky Theatre. Finish time: approx. 21:40 Performers Nadezhda Serdiuk (mezzo-soprano), Sergei Skorokhodov (tenor). ConductorValery Gergiev.CompanyLondon Symphony Chorus.CompanyLondon Symphony Orchestra.