Complex sentence: For authenticity, many scenes were shot in clubs near Gerry and the Pacemakers'frontman Gerry Marsden's home; a scene on a ferry (the "Mountwood") on the River Mersey showed the docks as a backdrop.
Split into simpler sentences: For authenticity, many scenes were shot in clubs near the home of Gerry and the Pacemakers' frontman Gerry Marsden. A scene on a ferry (the "Mountwood") on the River Mersey showed the docks as a backdrop.