Complex sentence: In 2015 they produced a remix of O.T. Genasis song'CoCo' performed in an acoustic version by Ed Sheeran, which went viral and hit over 100 Million plays on Soundcloud & Youtube.
Split into simpler sentences: In 2015 they produced a remix of CoCo by O.T. Genasis with vocals by Ed Sheeran. The remix went viral and hit over 100 Million plays on Soundcloud & Youtube.