Who sings the song with lyrics life is short its part of plan?

"Life is Short (That's My Problem)" is a song by the American singer-songwriter Twenty One Pilots. It is the second track on their fourth studio album, Blurryface (2015), and was released as the album's second promotional single on May 19, 2015. The song was written by Tyler Joseph and produced by Mike Elizondo and the duo themselves. It is a rap-rock and hip hop song that features distorted guitars, heavy drums, and a prominent synthesizer. The lyrics explore themes of suicide and depression.