Monteith died July 13 at the age of 31 due to a "mixed drug toxicity" of heroin and alcohol. Below, the "Glee" cast pays tribute to their friend and cast member in a series of musical moments.
"If I Die Young"
"Fire and Rain"
"I'll Stand By You"
"No Surrender"
"Seasons of Love"
"Make You Feel My Love"
View Playbill.com's Screening Room celebrating Monteith's work on "Glee."