Prince call on hi…k for “Sugar Walls” over the course of a weekend and went back to The Time album on Monday morning. And speaking of The Time, Prince’s chosen pseudonym for this project, Alexander Nevermind, was reportedly a diss aimed toward R&B singer Alexander O’Neal, who had been his first choice for The Time’s lead singer until an argument between the two made Prince call on his old high school bandmate Morris Day for the gig. O’Neal at that time was readying his solo debut, produced by ex-Time members Jimmy Jam and Terry Le…