Song playing at the beginning of the episode:
Song playing at the house party:
Other songs from the episode (mostly that were playing at the bar Sally and Aidan were at):
The song playing while Aidan was in the shower at the hospital was “Decisions” by Soft Swells. You can buy it off iTunes.
Also, in the episode was “Buried Next To You” by Hipbone Slim and The Knee Tremblers. Preview and buy the song on Amazon.