Premise: Twenty One Pilots . The band was formed in 2009 by lead vocalist Tyler Joseph along with former members Nick Thomas and Chris Salih , who eventually left in 2011 , and currently consists of Joseph and drummer Josh Dun . Tyler Robert Joseph ( born December 1 , 1988 ) is an American singer-songwriter , multi-instrumentalist , record producer , and rapper .
Hypothesis: Twenty One Pilots's lead saxophonist is Tyler Joseph.
Label: CONTRADICTION