Antoinette Mizisin, Oboist with the San Diego Youth Symphony in 1957. She went on to major in music at UCLA and was president of 29th Street Productions at 2806 University Avenue. The San Diego Youth Symphony and Conservatory (SDYS) is the 6th oldest continuously operating youth symphony in the United States, and serves students from its home in Balboa Park. Skill levels range from beginner to pre-professional, with participating students ages 8 to 25.