Grumpy Old Geeks Topics Musical roads Topic Musical roads 2 mentions in 1 episode The hosts discuss roads designed to play melodies when vehicles drive over spaced bumps. Mentions 64: Grumpy Old Geeks 3.0! Sorta... Jun 27, 2014 1:17:55 They constructed a road that would play the Top Gear theme song when you drove over it 1:18:12 Japan has a network of rogues that play music as you drive over them.