I was listening to a few songs and thought that they just sounded like they should be in movie credits au something, so I started a orodha randomly.

Katy Perry-Hummingbird Heartbeat
Ke$ha-Your upendo is My Drug
Taylor Swift-Long Live
Plain White T's-Our Time Now
Florence and the Machine-Dog Days are Over
The Pierces-It Was You
Lady Antebellum-Perfect Day
Jason Mraz and Colbie Callait-Lucky
Taylor Swift-Change
The Band Perry-If I Die Young
Selena Gomez-Who Says

Any zaidi I should add? maoni below and I'll try to add them.