Listen to My Songs Know What You Did in the Dark (Light 'Em Up) (151 BPM) online. My Songs Know What You Did in the Dark (Light 'Em Up) (151 BPM) is an English language song and is sung by DJ Kee. My Songs Know What You Did in the Dark (Light 'Em Up) (151 BPM), from the album Top Runners: Running Experience Compilation, was released in the year 2016. The duration of the song is 4:21. Download English songs online from JioSaavn.