Welcome to another edition of The Weekend Stream, The Second Disc's review of notable catalogue titles (and some new ones, too!) making digital debuts. This week, classic rock icons celebrate their live history, a modern music icon gets serious, a master of horror films (and soundtracks) revisits his first non-movie music and a former folk duo open their vault. The Doors, Live in Pittsburgh 1970 / Live in Philadelphia '70 / Live in Detroit (Bright Midnight/Rhino) Pittsburgh: Apple /