As Time Goes By

Dooley Wilson, Ingrid Bergman & Humphrey Bogart in Casablanca (1942).

Rawhide

Frankie Laine sings the opening and closing theme to Rawhide (1959).

Red Garters

Rosemary Clooney & cast in Red Garters (1954).

Wooden Heart

Elvis Presley in G.I. Blues (1960).

What's This?

Danny Elfman in The Nightmare Before Christmas (1993).

Alone in the World

Jim Backus and Marie Matthews in Mister Magoo's Christmas Carol (1962).

There Once Was Man

John Raitt & Doris Day in The Pajama Game (1957).

There's No Business Like Show Business

Ethel Merman & cast in There's No Business Like Show Business (1954).

A Needle In A Haystack

Fred Astaire in The Gay Divorcee (1934).

Mr. Booze

Bing Crosby, Dean Martin, Frank Sinatra, Sammy Davis, Jr. & cast in Robin and the 7 Hoods (1964).

Happy Talk

Juanita Hall, France Nuyen & John Kerr in South Pacific (1958).

BONUS! Captain Sensible (of The Damned) on Top of the Pops:

Bella Notte

George Givot & chorus in Lady and the Tramp (1955).

elevator scene

Mary Tyler Moore & Julie Andrews in Thoroughly Modern Millie (1967).

It's My Life/Confessions

Cory Monteith, Kevin McHale, and cast of Glee (ep. 6, October 7, 2009).

As a bit of background, in this episode, the characters were given pseudoephedrine to give them more energy. They're not always quite so peppy. They do, however, thoroughly abuse Auto-Tune in the show.

Movin' On Up

Ja'net Dubois sings the theme from The Jeffersons (1975).

Dedicated to Stephanie, who is movin' on up to a new house today, and should resume posting once she's settled in!

Get Thee Behind Me, Satan

Harriet Hilliard in Follow The Fleet (1936).

Chantilly Lace

The Big Bopper on The Dick Clark Show (1958).