Summerstage APAP Preview at The Highline Ballroom (01/05/12) Join us January 5th for a preview of the 2012 season, featuring Bebel Gilberto, Gregory Porter, and more! [Facebook.com/SummerstageNYC] Though the details haven’t leaked anywhere yet, based on this upcoming show at the Highline Ballroom, I think it’s safe to assume that both Gregory Porter and Bebel…