Sarz Ft. Asake & Gunna – Happiness Mp3 DownloadOsabuohien Osaretin (born 17 March 1989), better known by his stage name Sarz, is a Nigerian record producer, mixing engineer and musician. Born in Benin City, Edo State, he is popularly known for the tag Sarz On The Beat/"Really", at the beginning or end of all his