ShowShowWitness: The Tour: ViennaJun 4, 2018Katy Perry, Tove StyrkeWiener Stadthalle, Halle D · Rudolfsheim-Fünfhaus, AustriaFollowI was thereUpload from this showMediaLineupAboutDateJun 4, 2018VenueWiener Stadthalle, Halle D · Rudolfsheim-Fünfhaus, AustriaArtistsKaty Perry, Tove StyrkeListingConfirmedShow details from MusicBrainz.