Road tripping in Japan and no iPod? No worries. Japanese designers have created singing streets that play tunes when cars drive on them.

On these “melody roads,” cars act as tuning forks when they hit grooves in the surface. Shizuo Shinoda came up with the concept when he was driving a bulldozer and scraped markings into the road, producing “music.” Think about that horrendous noise cars make when you veer into rumble strips on highway edges. Same idea, but these bumps are farther apart so the “rumbles” sound like pop songs.

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