Come On, Let’s Turn It Up (Let it Be Known) as performed by Casey J. version. Written by Tim Hughes, Hick Hebert and Tom Smith. This song has also been performed by Lincoln Brewster. This version is custom arranged for small orchestra which includes strings (violin 1 & 2, viola and cello). Other parts include a lead sheet with rhythm cues, lead and back vocals. See the sample score for a list of the instruments on this arrangement. Note that sub parts are not listed on the score but included tenor sax, and F horn. This is in the original key of E.