THERE WAS A MOMENT IN TIME when Gotye’s “Somebody That I Used to Know” was fresh and new.  Then came the remixes on the radio and the remakes on YouTube.  I even posted one here a few weeks ago, “The Star Wars That I Used to Know.”  Now Gotye has gotten into the remake business. . . this time using a variety of clips from YouTube.  An impressive feat of taking interpretations of your own work and making something out of it.  He calls it “Somebodies.”