What song never fails to put a smile on your face?

"Happy Birthday", when sung to me.

Shinny Happy People Holding Hands!
Also C is For Cookie Song From sesame street I love Triple chocolate Cookies Um um Um!

African song that I never fails to put it on fames

Afroman - Coz I Got High
Ray Stevens - The Streak

Sad songs

Anything YOLANDA ADAMS especially Can't Give Up Now and I'm Gonna Be Ready ---singing right now no music the mere thought............OMStars...not OMG

The Cuppy Cake Song http://youtube.com/watch?v=12Z6pWhM6TA

Amazing Grace

Crazy ex girlfreind by Miranda Lambert ha ha itz funny

Colt 45 by Afroman

Life's Gonna Suck by Dennis Leary
Me Plus One/Chewing Gum by Annie
Dragostea Din Tei by O-Zone