Weird Al" Yankovicjoined the talented folks of Middle Aged Dad Jam Band in a fervent cover of the song "You're a Mean One, Mr. Grinch".subscribe to the Laughing Squid NewsletterThe post Weird Al' Yankovic Joins Middle Aged Dad Jam Band in a Fervent Cover of You're a Mean One, Mr. Grinch' was originally published on Laughing Squid.