I'm sorry I'm posting more than 15, but I thought it would be more accurate if I thought of the song that represented every stage of my life. I tried to do it as accurate as possible:
Age 0: Lady Gaga - Born This Way
Age 1: Barenaked Ladies - Gonna Walk
Age 2: Jordy - Dur Dur D'รชtre Bรฉbรฉ
Age 3: Anastacia - Sick And Tired
Age 4: Roger Sanchez - Another Chance
Age 5: Avicii - Hey Brother
Age 6: Don Henley - The End Of The Innocence
Age 7: Will Smith - Miami
Age 8: Foreigner - Double Vision
Age 9: RTZ - There's Another Side
Age 10: Queens Of The Stone Age - Little Sister
Age 11: Kenny Chesney - Grandpa Told Me So
Age 12: Madonna - Secret
Age 13: Reba McEntire - Is There Life Out There
Age 14: Alanis Morissette - Uninvited
Age 15: Madonna - Oh Father
Age 16: Johnny Cash - Hurt
Age 17: Vitamin C - Graduation
Age 18: Tove Lo - Not On Drugs
Age 19: Sophie B. Hawkins: Damn! I Wish I Was Your Lover
Age 20: Celine Dion: ร Paris
Age 21: Lee Ann Womack: The Fool
Age 22: Kanye West Featuring Jamie Foxx: Gold Digger
Age 23: Trisha Yearwood: On A Bus To St. Cloud
Age 24: The Motels: Shame
Age 25: Cee Lo Green: f**k You
Age 26: Bee Gees : Blue Island
Age 27: Celine Dion: Goodbye's (The Saddest Word)
Age 28: Lonnie Gordon: Happenin' All Over Again
Age 29: Usher Featuring will.I.am: OMG
Age 30: The Saturdays: Wish I Didn't Know
Age 31: Fugees: Family Business
Age 32: 2Pac: Changes
Age 33: Sheryl Crow: Leaving Las Vegas
Age 34: Jewel: I Do
Age 35: Crowded House: Something So Strong
Age 36: Travis: Moving
Age 37: Winger: Four Leaf Clover
Age 38: John Mayall: Travelling
Age 39: Elisa Fiorillo: On The Way Up
:)