Glueckert (Lyonel), Björn Bürger (Plumkett), Barnaby Rea (Tristan); Chor der Oper Frankfurt / Frankfurter Opern- und Museumsorchester; Sebastian Weigle (conductor) – Oehms (live) References Notes Sources External links Libretto, opera-guide.ch Martha, music.yodelout.com 1847 operas German-language operas Operas Operas by Friedrich von Flotow Operas set in England