Mastodon will perform on The Late Show With David Letterman on October 27.

Official press release: Mastodon has announced they will perform their new single, "The Motherload," on The Late Show With David Letterman on Monday, October 27th. In addition, "The Motherload" will be released as a special limited-edition 12" vinyl picture disc in honor of Record Store Day's Black Friday celebration, which takes place on November 28th.