It is perhaps fitting that the series of volumes comprising The Musician's Bookshelf should be inaugurated by the present collection of essays. To the majority of English readers the name of that strange and forceful personality, Romain Rolland, is known only through his magnificent, intimate record of an artist's life and aspirations, embracing ten volumes, Jean-Christophe. This is not the place in which to discuss that masterpiece. A few biographical facts concerning the author may not, however, be out of place here. Romain Rolland is forty-eight years old. He was born on January 29, 1866,...