Hopefully the screen shows up...

I love this song!
I know it was stolen from "The Pirate" but its still good!

Trivia from the movie...
This Scene!
For the "Make Em Laugh" number, Gene Kelly asked 'Donald OConnor to revive a trick he had done as a young dancer, running up a wall and completing a somersault. The number was so physically taxing that O'Connor, who was smoking four packs of cigarettes a day at the time, went to bed (or may have been hospitalized, depending on the source) for a week after its completion, suffering from exhaustion and painful carpet burns. Unfortunately, an accident ruined all of the initial footage, so after a brief rest, O'Connor, ever the professional, agreed to do the difficult number all over again.
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Only 19 when cast to play the film, Debbie Reynolds lived with her parents and commuted to the set. She had to wake up at 4:00 a.m. and ride three different buses to the studio; sometimes, to avoid the commute, she would just sleep on the set.

While the film makes a central point of the idea that Kathy's voice is dubbed over Lina Lamont's, what is not told is that, ironically, in some of these songs - notably "Would You" and "You Are My Lucky Star" - Debbie Reynolds, the actress who plays Kathy, is actually dubbed by Betty Noyes.

Gene Kelly had a 103-degree fever when he danced to the title song.

The rain consisted of a mixture of water and milk so it would show up better on film but it caused Gene Kelly's wool suit to shrink.

Donald O'Connor admitted that he did not enjoy working with Gene Kelly, since Kelly was somewhat of a tyrant. O'Connor said that for the first several weeks he was terrified of making a mistake and being yelled at by Kelly.
another good song
After they finished the "Good Morning" number, Debbie Reynolds had to be carried to her dressing room because she had burst some blood vessels in her feet. Despite her hard work on the "Good Morning" number, Gene Kelly decided that someone should dub her tap sounds, so he went into a dubbing room to dub the sound of her feet as well as his own.

Mess ups...

At the end when Kathy will sing "Singin' in the Rain" for Lena, Lena is asked "What key should the song be played in." She says "A-flat". The band leader says, "Singin' in the Rain in A-flat", and then proceeds to conduct the song in E-flat.

Quotes:
Don Lockwood: Cosmo, call me a cab.
Cosmo Brown: OK, you're a cab.

Cosmo Brown: The price of fame. You've got the glory, you gotta take the little heartaches that go with it. Now look at me: I've got no fame, I've got no glory, I've got no big mansions, I've got no money! But I've got - what have I got? Don Lockwood: I don't know, what have you got? Cosmo Brown: I gotta get out of here.

Rod: Lina, you're a beautiful woman. Audiences think you've got a voice to match. The studio's gotta keep their stars from looking ridiculous at any cost. Cosmo Brown: Nobody's got that much money.