What is the name of the website that you can sing into a mic hooked up to the PC and it will find the song?

I know that there is a website that you can sing into a mic and it will match your song with other songs other people have posted, but I can't remember the name of the website. HELP!!
What is the name of the website that you can sing into a mic hooked up to the PC and it will find the song?
www.midomi.com
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