Frankfurt Oper 03.04.2026 Wagner: TRISTAN UND ISOLDE. Rev of Katharine Thoma prod.cond by Thomas Guggeis with Mina-Liisa Värelä, Marco Jentzsch, Claudia Mahnke, Nicholas Brownlee, Andreas Bauer Kanabas, Taehan Kim #operalover #wagner #tristanundisolde #operfrankfurt #thomasguggeis #miinaliisavarela