"No cuttin' corners! She's on the border now!"

What is 'Um Jammer Lammy'?

Um Jammer Lammy is a rhythm game, composed by Masaya Matsuura, and Yoshihisa Suzuki. The game is developed by the companies NaNaOn-Sha, Interlink, and Namco. The game was released on the 18th of March, 1999 for the PlayStation.