B-Rock by Pretty Lights Overview Tag Appears on 2006-2009 CD Box Set Filling Up the City Skies Filling Up The City Skies Filling up the City Skies (Disc 2) Filling Up The City Skies (Disc 2) Filling Up The City Skies, Volume Two Pretty Lights 2006-2009 (CD3: Filling Up The City Skies: Disc 2) Playcount 3 Listeners 2