'COS' is a one man band. That one man is Mark W. Costoso.He is an accomplished pianist and guitarist with an Associates Degree in Composition and piano. After years of frustration with the inability of bands to pursue original material compounded with his inability to attain success as a composer and publisher of commercial songs, he has decided to focus on what is musically fulfilling to him. He has gone back to his roots......back to the style of music which captivated his youth and drove him to pursue music as a career......Progressive Rock. Combine equal portions of Utopia (Todd Rundgren), Kansas and David Sancious. Add a pinch of Genesis and a dash of King's X. Combine thoroughly. Coat with a thin layer of vocals somewhat similar to (but not nearly as good as) Derek Shulman and John Wetton. NOTE: If you are a ProgRock fan, you should know who they are. Bake in a preheated oven at 350 degrees for 45 minutes and...............VOILA!!!!!