On the other hand, Opolais regularly performs at the world's greatest opera houses - Vienna State Opera, Berlin State Opera, Bavarian State Opera, Zurich Opera, La Scala, Covent Garden, cooperating with such world-famous conductors as Daniel Barenboim, Daniel Harding, Louis Langree, Andris Nelsons, Gianandrea Noseda, Fabio Luisi and Kazushi Ono.
Savukārt Opolais regulāri viesojas pasaules prestižākajos opernamos - Vīnes Valsts operā, Berlīnes Valsts operā, Bavārijas Valsts operā, Cīrihes operā, Milānas "Teatro alla Scala" un Londonas Karaliskajā Koventgārdena operā, sadarbojoties ar tādiem pasaules slavu ieguvušiem diriģentiem kā Daniels Barenboims, Daniels Hārdings, Luiss Langrē, Andris Nelsons, Džanandrea Noseda, Fabio Luizi un Kazuši Ono.