ILLUSTRATIONS[ W. S. G. Mathews . . . . . . . . . Frontispiece ][ Joh. Sebastian Bach, Geo. Fred. Handel ][ Joseph Haydn, Wolfgang A. Mozart ][ Ludwig van Beethoven ][ Franz Schubert, Felix Mendelssohn ][ Robert Schumann ][ Frederic Francois Chopin ][ Franz Liszt ]PART I.THE MASTERS AND THEIR MUSIC.