Overview: New British music, Brahms, Liszt and a lavish choral work blaze a trail for some of 2011's Proms musical strands. Benjamin Grosvenor made his Proms debut, and there's Janáček's extraordinary celebration of Slavic culture, the Glagolitic Mass. Friday 15 July 7.30pm – c. 9.40pm Royal Albert Hall Choral music and singing events, Piano music Judith Weir Stars, Night, Music and Light (c4 mins) BBC Commission, World Premiere Brahms Academic Festival Overture (11 mins) Liszt Piano Concerto No. 2 in A major (20 mins) INTERVAL Janáček Glagolitic Mass (45 mins) Benjamin Grosvenor piano Hibla Gerzmava soprano Dagmar Pecková mezzo-soprano Stefan Vinke tenor Jan Martiník bass David Goode organ BBC Singers BBC Symphony Chorus BBC Symphony Orchestra Jiří Bělohlávek conductor