OBSESSED!: Seth Says "HEL-LO!" to "The Book of Mormon"'s Rory O'Malley

Side by Side by Susan Blackwell: "The Book of Mormon" Star Andrew Rannells

Seth Rudetsky Master Class - prepares student

Rory O'Malley - Turn it Off

OBSESSED!: A Lesson on How Not to Hit a High Note

The Book of Rory: Rory O'Malley Shares the "Mormon" Cast's Wild and Varied Pre-Show Routine

Seth Rudetsky - Deconstructs "At The Ballet" from A Chorus Line

"I Died a Thousand Gay Deaths" - Jonathan Groff on Barbra Streisand Knowing He Exists (Extended)

OBSESSED!: If Billy Porter Played Louise in "Gypsy"

Book of Mormon Cast Interview Part One

Rory O'Malley- Twirler Girl

OBSESSED! Nicole Parker: When Ellen DeGeneres Played Elphaba (And Other Horror Stories)

Seth Rudetsky (with VIDEO) deconstructs the Barbra Streisand/Judy Garland "Hooray For Love" Medley

Backstage with 'Book of Mormon' star Andrew Rannells Talkin' Life & White Strips.mp4

OBSESSED!: Tony Nominee Michael McElroy and the Dead Eyes of Vibrato Doom

The Dark Side of "Oklahoma" (Ft. ItsAnnaChloeM)

OBSESSED!: Seth Brings Out the Young Cosette, Elphaba and Fran Drescher in Donna Vivino

Seth Rudetsky - Deconstructs songs from "Annie"

Cate Blanchett & Jack Black on Loving the UK, Movies & Birthday Fun! | The Jonathan Ross Show

Behind the Scenes: Backstage at "The Book of Mormon" with Andrew Rannells

Obsessed!: Tony Awards We Wish Existed with Christopher Fitzgerald