Click through to see performances of Lopez's award-winning songs, some of them performed by Lopez himself.
"I Believe"
Tony Award nominee Andrew Rannells performs "I Believe" from The Book of Mormon at the 2011 Tony Awards.
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"Let It Go"
Tony Award winner Idina Menzel sings the Academy Award-nominated song "Let It Go" from the film "Frozen."
"The Backson"
Robert Lopez performs "The Backson" from the film "Winnie the Pooh."
"It Sucks to Be Me"
The original Broadway cast of Avenue Q performs "It Sucks to Be Me" at the 2004 Tony Awards.
"Hello!"
The cast of The Book of Mormon opens the 2012 Tony Awards singing "Hello."
"In Summer"
Tony Award nominee Josh Gad sings "In Summer" in the film "Frozen."
"I Believe"
Robert Lopez performs "I Believe."
"Everyone's a Little Bit Racist"
The original Broadway cast of Avenue Q performs on "The View."
"For the First Time in Forever"
Kristen Bell sings "For the First Time in Forever" from "Frozen."
