Amy Marcy Cheney Beach (1867-1944), the most widely performed composer of her generation, was the first American woman to succeed as a creator of large-scale art music. Her ""Gaelic"" Symphony, given its premiere by the Boston Symphony Orchestra in 1896, was the first work of its kind by an American woman to be performed by an American orchestra. Almost all of her more than 300 works were published soon after they were composed and performed, and today her music is finding new advocates and audiences for its energy, intensity, and sheer beauty. Yet, until now, no full-length critical biography