Welcome to The Weekend Stream, a relaxing review of notable digital-only catalogue titles. There may be no CD or vinyl, but there’s plenty of great new/old music to float you into the weekend. Big things happening in this column: two big box sets from a legendary prog-turned-pop outfit, rare mixes from one of pop’s most legendary performers, tons of remixes from a soulful producer/performer and 200(!) classical titles from a legendary British label. Whew! Genesis, Archive #1 (1969 – 1975) / Archive #2 (1976 – 1992) (Atlantic/Rhino/Craft) Archive #1: iTunes / Amazon…