An advert on YouTube for Orange Amps includes Mastodon bassist and vocalist Troy Sanders.
Mastodon are a heavy metal band from Atlanta, Georgia, that have said that they are recording their latest album early this year.
They also announced on Twitter that they are writing a track for inclusion in the new Disney-Pixar film, Monsters University, the prequel to Monsters Inc.
Orange Amps are a company that specialise in the manufacture of amplifiers and public address systems, specialising in bass guitars. They are known for their bright orange coverings.
Check out the advert below: