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. A positively packed volume offers legends of pop, rock and country revisiting and interpreting some classic tracks; catalogue favorites from Britney to Sheena and Connie to Katrina; intriguing film scores and show tunes; and remembrances of a few legends we lost this week. Steve Perry & Willie Nelson, "Faithfully" (Dark Horse) (Apple /