ShowShowWitness: The Tour: IndianapolisDec 9, 2017Katy Perry, Purity RingGainbridge Fieldhouse · Indianapolis, United StatesFollowI was thereUpload from this showMediaLineupAboutDateDec 9, 2017VenueGainbridge Fieldhouse · Indianapolis, United StatesArtistsKaty Perry, Purity RingListingConfirmedShow details from MusicBrainz.