September 16, 2002 Epic Records Takes Steps to Seal Its Newest MusicBy CHRIS NELSON he Epic Records Group, a unit of Sony Music, is approaching the sticky problem of prerelease music's being traded online with an even stickier solution. Writers receiving review copies of two soon-to-be-released albums — Tori Amos's "Scarlet's Walk" and Pearl Jam's "Riot Act" — are finding the CD's already inside Sony Walkman players that have been glued shut. Headphones are also glued into the players, to prevent connecting the Walkman to a recording device. By locking up the discs, Epic hopes to keep writers from...