"Ask and you shall receive," wrote the comedic rock duo, which also features Kyle Gass, on social media after teasing a snippet of the cover last week Jack ... d love to have a Tenacious D song ...

While some users trolled him and his new songs, Jack Black's fans came in his defense, saying in jest that he has a video game cred — having performed as a part of Tenacious D in Blizzcon ...