Both Tim Lambesis and Tim Burgess are involved in what kind of musical organization?
Tim Lambesis Timothy Peter "Tim" Lambesis (born November 21, 1980) is an American extreme metal musician, producer, and convicted felon, best known as the founding member and lead vocalist of American metalcore band As I Lay Dying. He also had a solo/side thrash metal project in tribute to actor Arnold Schwarzenegger, Austrian Death Machine, in which he performed all the instruments. He also formed a death metal band called Pyrithion and played guitar for Society's Finest and Point of Recognition.
Boston Chamber Music Society The Boston Chamber Music Society (BCMS) is an American organization of musicians located in Boston, Massachusetts and dedicated to the performance and promotion of chamber music. The organization performs works from the Baroque era to the present day and is a member of Chamber Music America and ArtsBoston. BCMS' website states that it is "New England’s preeminent chamber music society and presents the most extensive and longest-running concert series in the region". BCMS currently offers 8 concerts throughout the year at Harvard University's Sanders Theatre and at Cambridge Rindge and Latin School's Fitzgerald Theatre. Each spring BCMS also hosts an annual chamber music workshop for mixed ensembles at the Massachusetts Institute of Technology. The organization is led by artistic director Marcus Thompson and managing director Wen Huang.