Happy birthday, HuffPost! This site turns nine years old today, May 9, and HuffPost Entertainment will celebrate by playing the nine greatest songs with the number nine in the title on loop all day. Well, maybe not "9 Crimes" -- that track's a bummer.
"Nine" by Patti Smith
"9 Crimes" by Damien Rice
"If 6 Was 9" by Jimi Hendrix
"9 To 5" by Dolly Parton
"Nine Lives" by Aerosmith
"99 Problems" by Jay Z
"Nine Is God" by Wavves
"99 Luftballoons" by Nena
"Nineteen" by Tegan and Sara
"Nine" by Patti Smith
"9 Crimes" by Damien Rice
"If 6 Was 9" by Jimi Hendrix
"9 To 5" by Dolly Parton
"Nine Lives" by Aerosmith
"99 Problems" by Jay Z
"Nine Is God" by Wavves
"99 Luftballoons" by Nena
"Nineteen" by Tegan and Sara