1813-1883 1846-1914 1860-1911 1861-1907 1868-1933 1874-1951 1885-1935 1893-1954 1894- 1894-1981 1894-1985 20thcentury alban allemagne analysis appreciation arnold austria ballet berg biography böhm chefsd'orchestre clemens composers compositeurs conductors(music) correspondance correspondence correspondenceschillings correspondencestrauss criticismandinterpretationstrauss ernstvon firstperformances germany gustav historyandcriticism karl krauss libretto librettos ludwig mahler maxvon melodrama music musical musicandliterature nationalsocialismandmusic opera operas philosophyandaesthetics productionanddirection richard schillings schoenberg schuch sexinopera singers socialaspects stage-settingandscenery strauss style symphonies theaters thuille ursuleac viorica wagner