The "A Minecraft Movie" actor recalls covering "...Baby One More Time" with his band Tenacious D for "Kung Fu Panda 4." ...

Araya Doheny/WireImage Jack Black is opening up about his hard ... of Po in the upcoming movie — revealed the origins of the cover, which he put together with his friend and Tenacious D bandmate ...

I was like, 'Put it in!'" "I'm very proud of that Britney Spears cover," Black added. You can watch his full appearance on "Good Hang" here. The post Jack Black Reveals the Hardest Part of His ...