"Ask and you shall receive," wrote comedic rock duo Tenacious D, which features Jack Black and Kyle Gass, on social media after teasing a snippet of the Britney Spears cover last week.

See Jack Black and Bandmate Give Britney Spears' Hit 'Baby One More Time' a Hard Rock Spin: 'Tenacious B!' The song appears to be in support of Black's upcoming 'Kung Fu Panda 4,' in theaters March 8 ...