Beginning several generations before Schubert, the Lied first appears as domestic entertainment. In the century that follows it becomes one of the primary modes of music-making. By the time German song comes to its presumed conclusion with Richard Strauss's 1948 Vier letzte Lieder, this rich repertoire has moved beyond the home and keyboard accompaniment to the symphony hall. This is a 2004 introductory chronicle of this fascinating genre. In essays...