31. In 1818, Johann Nepomuk Hummel introduced subscription concerts , promoting the development of the orchestra to a modern symphony orchestra. 32. The Philharmonic's management has other worries, mainly to do with the series of subscription concerts that begins on Thursday. 33. The new jazz subscription concerts are being programmed by artistic director John Clayton, who has performed regularly at the Hollywood Bowl. 34. His last season with the SLSO featured him as conductor in only seven subscription concerts , and his contract was not renewed. 35. He became the first harpist to appear as a soloist at one of the Vienna Philharmonic s subscription concerts In May 2002. 36. From 1964 to 2003, the orchestra played its main subscription concerts in the Dorothy Chandler Pavilion of the Los Angeles Music Center. 37. Muti is to conduct a minimum of 10 weeks of CSO subscription concerts each season, in addition to domestic and international tours. 38. He would only lead two weeks of subscription concerts in the new hall, after contracting influenza during rehearsals for the dedicatory concert. 39. She was the first Black to perform a subscription concert with the Philadelphia Orchestra in 1971 after which, many other concerts followed. 40. In addition to its subscription concert series, HMC regularly performs community outreach, reaching an estimated 8, 000 additional audience members. 