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 brings new (and vintage) tracks from some of pop's greatest women, rarities from Captain Beefheart, even more Billy Joel (in a slightly different way) and a tribute to one of the greatest discographies you can download for free. Chappell Roan, "The Subway" (Island) (Apple / Amazon) Does last year's biggest pop star have a new