It’s that miraculous transformation of spirit that comes with a long vacation: Mendelssohn found his muse standing amid the ruins of Holyrood Abbey in Edinburgh, while Beethoven found his in the Austrian countryside. Both composers poured their exhilaration into picturesque symphonies, packing them with verve and irresistible melodies. Hear these 19th-century gems when Conductor Laureate Herbert Blomstedt leads the San Francisco Symphony.