CONCERTS Anna Buturlina (vocals) and quartet. Jazz Town, 20.30. CLASSIC Opening of the festival “To the 70th anniversary of O. Yanchenko”. State Academic Russian Choir named after Sveshnikov. Soloists R. Abdullin, V. Dolinsky, S. Shilova, V. Lavrik. Conductor B. Tevlin. Conservatory, 19.00. Charity concert "Opportunities are limited - abilities are limitless." F. Schubert, I.-S. Bach, I. Brahms, F. Kramarz. Soloists N. Lugansky (piano), E. Petrov (clarinet), V. Petrov (clarinet), Y.