Panic! At The Disco Performing “The Ballad Of Mona Lisa” On Conan Travis Faulk 13 years ago Panic! At The Disco was on Conan last night and performed “The Ballad Of Mona Lisa.” Watch below: Share this: Panic! At The Disco “The Ballad Of Mona Lisa” VideoPanic! At The Disco “The Ballad Of Mona Lisa” Video PreviewPanic! At The Disco Preview New Song “The Ballad of Mona Lisa”