I started asking people to share a song that made them happy. I wanted a happy playlist full of good vibes, and I turned to friends, coworkers and complete strangers to help me build it.

Featuring Neil Young, Prince, Joni Mitchell and more, these songs are guaranteed to change your mood, according to science.

There are some upbeat songs that are just upbeat, and there are some that deal with surprisingly dark subject matter, like these four.

"Days of Gold" is sure to put you in a sunshine-y mood, with its talk of " good times for miles " and a simple, rockin' chorus. We're partial to Owen's rendition, but a little more funky flavor is ...