Friday night speed-dating, except you leave with a co-writer instead of a date. At Qube's Canary Wharf studios, presented by DistroKid, you get a wristband for your role, then rotate partners every five minutes: producer meets songwriter, artist meets executive. Livvy K hosts, DJ Emma Lou runs a soulful R&B and neo-soul set, and there is a happy-hour bar. Free, plus-ones welcome.