Philharmonie Gasteig, Munich, Germany. 'MĂźnchner Klaviersommer' was an annual concerts series that took place from 1981 to 1998 in Munich, Germany. Although the festival's name suggests a strong focus on piano music, it featured countless famous musicians from jazz and classical music â not just pianists. The concerts were usually held in July at The Gasteig, home of the Munich Philharmonic. In 1988, vocalist Bobby McFerrin appeared at the festival. Known for his incredible vocal technique and unique approach to singing, McFerrin performed an unforgettable solo concert.