Sunnyside is about to turn up. Starting Jan. 16, party-starting, EDM icon Fred Again.. will launch his six-gig residency at East End Studios — marking the concert debut for the venue that’s primarily known for upscale video production — that lasts until Jan. 31. If you haven’t scooped up your tickets yet, last-minute inventory is still available on primary and secondary market sites like Ticketmaster, StubHub and more. At the time of publication, the lowest price we could find on general