Because most of these songs are not mainstream, a lot of them you will have to find on Youtube to listen/download them because so. A lot of them are also of the Lana Del Remix sort so beware of the awesomeness.
Golden Sea - Sea Lion
Summertime Sadness (Reich and Bleich Remix) - Lana Del Rey
Summertime Sadness (Cedric Gervais Remix) - Lana Del Rey
Blue Jeans (RAC Remix) - Lana Del Rey
Video Games (Liam Walds Dubstep) - Lana Del Rey
Ride (Barresto Remix) - Lana Del Rey
Don't Fight It - The Panics
Breezeblocks - Alt J
Sea of Love - Phil Phillips
One World - Cady Groves
A Town Like This - Cady Groves
First Day of My Life - Bright Eyes