The Israel Philharmonic, under the local audience's darling George Pehlivanian and counter tenor David De'or, will perform a special concert on December 15 dedicated to the 70th anniversary celebrations of Reuth - a non-profit organization that coordinates the activities of various medical centers. Reuth works with rehabilitation clinics and senior citizens' homes and supports centers for the homeless and weak sectors of the population. The organization also tries to get community members involved in charity and aiding people to get back on their feet. The Medical Center Reuth is located in Tel Aviv and emphasizes a humane attitude to patients and the improvement of the quality of their lives. The charity concert will take place at the Mann Auditorium in Tel Aviv at 8:30 p.m.; the reception begins at 7:15 p.m. For reservations: (03) 537-2012.