Listen to Big Brothers (System Brothers vs. Spiritual Light vs. Fluor Blood) online. Big Brothers (System Brothers vs. Spiritual Light vs. Fluor Blood) is an English language song and is sung by System brothers, Fluor Blood and Spiritual Light. Big Brothers (System Brothers vs. Spiritual Light vs. Fluor Blood), from the album Transform, was released in the year 2013. The duration of the song is 7:36. Download English songs online from JioSaavn.