DESCRIPTION:
GLEE - Full Performance of The Scientist.
Sung by: Finn Hudson/Cory Monteith [R.I.P.], Rachel Berry/Lea Michele, Blaine Anderson/Darren Criss, Kurt Hummel/Chris Colfer, Santana Lopez/Naya Rivera, Brittany S. Pierce/Heather Morris, William Schuester/Matthew Morrison and Emma Pillsbury/Jayma Mays.
From 4x04 (the Break-Up).