Based on Oscar Wilde's story 'The Birthday of the Infanta,' Zemlinsky's single-act opera 'Der Zwerg' is the tragic tale of a dwarf who is presented at court, falls in love with the beautiful Donna Clara, but is ultimately forced to see himself as others see him and to die of a broken heart. Preceded by Schoenberg's 'Accompaniment to a Cinematographic Scene,' Op. 34, Zemlinsky's...