Party On Broadway (POB) is the Riverbend’s local Paint~N~Sip Studio. We are located in downtown Alton, IL and opened in February of 2015 with the goal of inspiring people to be creative and to let who they are come through in their projects.Party On Broadway (POB) is the Riverbend’s local Paint~N~Sip Studio. We are located in downtown Alton, IL and opened in February of 2015 with the goal of inspiring people to be creative and to let who they are come through in their projects.