What has Jack Black been up to over the years? Black has been writiing music, starring as both a voice and normal actor, and helping create video games. He has his own band "Tenacious D" and has had some success in getting his band's songs in popular videos games sucha as "Guitar Hero" and "Rock Band". Jack has starred in a variety in movies like "School of Rock" and has voice acted in tons of movies like "Shark Tale", "Ice Age", Kung Fu Panda" and much much more.