Grumpy Old Geeks Companies Smash Mouth Company Smash Mouth 2 mentions in 1 episode The band discussed for performing at the Sturgis rally. Mentions 470: Mountains of Inane Faffery Sep 9, 2020 36:37 Smash Mouth played. 37:49 Quote from Smash Mouth lead singer Steve Harwell at the concert at Sturgis.