The Union Square Partnership is seeking proposals from qualified firms for planning, management, and operation of the 'Summer in the Square' event series in Union Square Park from June 2015 to May 2017. The aim is to provide free entertainment over nine weeks each summer, and the selected firm will collaborate closely with USP to enhance community engagement while adhering to specified guidelines and budget parameters. Proposals must include event planning, management, independent power sources, and compliance with necessary permits and insurance requirements.