The “Father of the Symphony” meets the composer who ushered the form into the 20th century. Haydn’s Symphony No. 80 is a refined gem of the Classical era that helped set the stage for the symphonic innovations to come. Guest conductor Peter Popelka then leads Mahler’s Fifth Symphony, a world-embracing work showcasing funeral marches, horn calls, and sublime love songs before a no-holds-barred finale.