Listen to The Swarm (Drum & Bass Mix) online. The Swarm (Drum & Bass Mix) is an Unknown language song and is sung by Entity Plus and Arch Rival. The Swarm (Drum & Bass Mix), from the album Dubstep San Francisco, Vol. 1 Best Top Electronic Dance Hits, Dub, Brostep, Psystep, Chill, Rave Anthem, was released in the year 2012. The duration of the song is 1:43. Download Unknown songs online from JioSaavn.