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. We’ve got one Vault track from Prince, four albums unearthed by SuperVisible Multi Media, five rare mixes from Bowie and Jagger, and more than 100 hard-to-find cuts from Connie Francis – now that’s some rock and roll math! Prince, “Sign O’ the Times” (Live in Rotterdam 1987) (NPG/Legacy) (Apple / Amazon) A welcome respite from sharing fabricated, possibly AI-generated inspirational quotes on social media, the Prince estate has released…