DESCRIPTION:
The song 'Drown' from Les Bellas LP, 'Belladelic'.
Buy the album here: http://lesdisquessteak.bandcamp.com/album/belladelic

Featured on Gossip Girl 4x20, "The Princesses and the Frog", nearer the start of the episode where Blair was first seen calling her mom, then moving onto the scene where Chuck was on the phone to his private investigator, calling the investigation off.