Original: Wagner Opera Vocal Scores. Compared to traditional printed sheet music or music downloads, it is incredibly inexpensive. Version 2.0.
Tradução: Wagner Ópera Vocal Partituras. , Acto III - Wohl wusst 'ich. Tristán e Isolda, acto I, Parte 2 - Nun leb 'wohl. Versión 2.0.