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