Broadway Unites after September 11, 2001.

The sailors from the 2014 revival of On the Town fall in love with New York City in this thrilling video.

Audra McDonald performs "I Happen to Like New York."

The cast of 42nd Street performs on the Tony Awards.

Fred Ebb performs "New York, New York."

The overture from the film of West Side Story.

Liza Minnelli performs "New York, New York."

The "I Love New York" commercial featuring Lena Horne.

"The Lullaby of Broadway."

The cast of Newsies performs "King of New York" at the Macy's Thanksgiving Day Parade.

The "I Love New York" commerical featuring A Chorus Line, Grease and Annie.

Burt Bacharach & Steven Sater's "New York I Love You" featuring Emma Hunton with Michael Gioia, Will Roland, Yaniv Zarif.

Liza Minnelli performs "I Happen to Like New York."

The "I Love New York" commerical featuring Evita stars Patti LuPone and Mandy Patinkin, as well as Sweeney Todd star Angela Lansbury.

The original Broadway cast album of Annie, featuring the incomparable Laurie Beechman as the Star to Be in "NYC."

The "I Love New York" commerical featuring Elizabeth Taylor, Mickey Rooney, Lauren Bacall and the casts of Woman of the Year, Barnum.

Newsies performs "King of New York."

Nadia Quinn - "My First Year In New York" (by Mike Pettry)

The "I Love New York" commerical featuring Ann Miller, Mickey Rooney and more.

Joel Grey, Ben Vereen, Bebe Neuwirth, Brian Stokes Mitchell and more pay tribute to September 11 and New York City in 2011.

"NYC" from the television adaptation of Annie, with Andrea McArdle as the Star to Be.

Krysta Rodriguez - "A New York City Prayer" (by Amanda Green).

Judy Garland performs "I Happen to Like New York."

Elaine Stritch sings "Broadway Baby."

Sheryl Lee Ralph - "Only In New York."

Jerry Orbach performs "Try to Remember."