Who mastered the song " It will Rain " by Ari Levine , Bruno Mars , and Philip Lawrence ?
Personnel Songwriting – Bruno Mars , Philip Lawrence , Ari Levine , Khalil Walton , Needlz Production – The Smeezingtons , Needlz Mixing – Manny Marroquin * Assistant – Christian Plata , Erik Madrid Mastering - Stephen Marcussen Engineer – Ari Levine All instruments played by – Ari Levine , Bruno Mars Credits and personnel .