The “Tenth” Symphony When the young Leonard Bernstein was a student at Harvard University he went to Dmitri Mitropoulos's first concert with the Boston Symphony Orchestra in 1936, which included the conductor’s own arrangement for string orchestra of Beethoven's longest, most complex string quartet: Op. 131 in C sharp minor. ''I went out of my mind and have been ever since,'' Bernstein later recalled. “When I became a conductor, some years later, one of the first works I yearned to perform was t