Grumpy Old Geeks People David Foster Person David Foster 2 mentions in 1 episode A musician and producer featured in the documentary David Foster Off the Record. Mentions 457: Grumpy Old Idiots Jul 22, 2020 22:33 You probably may not recognize David Foster's name, but you have heard everything he's ever done. 22:48 he is a prodigy. Perfect pitch, all that sort of stuff.