Listen to Dark Night - Hard Rock - 166 BPM - Key of Gm online. Dark Night - Hard Rock - 166 BPM - Key of Gm is an English language song and is sung by Easy Jam. Dark Night - Hard Rock - 166 BPM - Key of Gm, from the album Hard & Heavy - Drums, was released in the year 2015. The duration of the song is 2:26. Download English songs online from JioSaavn.