(September 1, 2017, 12:46 PM EDT) -- NEW YORK — In briefs filed in the Second Circuit U.S. Court of Appeals, an internet service provider (ISP) and a music-publishing firm argue over whether a trial court properly dismissed the ISP’s declaratory judgment action related to claims of online infringement of the firm’s copyrighted songs by the ISP’s customers (Windstream Services LLC v. BMG Rights Management [US] LLC, et al., No. 17-1515, 2nd Cir.)....