The BET Awards are long. Almost four hours so. That’s two movies – or one, if you’re watching Transformers 4. But a lot happens in that time – young performers get a snippet of time to showcase their fresh skills (witness for 17-year-old Gabi Wilson), a noted Humanitarian is honoured, and a dozen awards are, of course, handed out. And a handful of solid performances are turned in too – highlighting the spectrum of the channel’s ethos. From Nicki Minaj’s Alice in Wonderland theme to Chris Brown’s kitsch cool backdrop for Loyal, the setup of Sunday night’s show was vibrant and the energy high. The collaborations – John Legend playing piano for Jhene…