Complex sentence: Upon being renamed from Chicago Transit Authority to Chicago, the band sported a new logo, which was designed by the Art Director of Columbia/CBS Records, John Berg, with each album's graphic art work being done by Nick Fasciano.
Split into simpler sentences: Upon being renamed from Chicago Transit Authority to Chicago, the band sported a new logo. It was designed by the Art Director of Columbia/CBS Records, John Berg, with each album's graphic art work being done by Nick Fasciano.