In the clip, P.O.S. talks about the various meanings his stage name has had over the years, from "Pissed Off Stef" in his adolescence to "Promise Of Skill" in his emcee days. He also goes into detail about his varying levels of skill on various instruments, including drums, keys, bass, and even tuba (!!!).
You'll also find out about the evolution of the Minneapolis sound (from Prince to Atmosphere), the evolution of his Discover & Download track, "Never Better" (which he calls his "favorite song" he's ever written and which you can check out below).