Future, Maceo, and Zaytoven Are 'Havin It' All on New Single

Future just gave us Project ET: Esco Terrestrial with DJ Esco, but he's already back with "Havin It," a new single featuring Freebandz signee Maceo and produced by frequent collaborator Zaytoven. It's out today via Maceo's SoundCloud page, where it racked up more than 50,000 streams in just a few hours. Zaytoven also recently confirmed…