61/67 The following spring and summer were spent Abroad, in England and on the Continent. In London he appeared in concert, playing his second concerto with the Philharmonic Society on May 14. He returned to America in October, and resumed his work at Columbia. Indeed, the eight years during which he held his Columbia professorship were, in a creative sense, the most important of his life; for to this period belong the "Sea Pieces" (op. 55), the two superb sonatas, the "Norse" (op. |