This is a "Gospel" Version of "Go Tell It On the Mountain" inspired by the recording by "Morris Chapman."  This arranged for SATB Choir, Piano/Rhythm (with piano riffs written out) 2 trumpets, 2 trombones, alto sax, tenor sax, and bari sax.  This is in the original key.  Note that the solo part is not written out, though all other parts are.