Frankfurt Oper 04.04.2026 Massenet: WERTHER in the iconic production by Willy Decker cond: Felix Bender with John Osborn, Bianca Andrew, Sebastian Geyer, Karolina Bengtsson #massenet #werther #operalover #opera #operfrankfurt #johnosborn #biancaandrew #willydecker #felixbender #karolinabengtsson