Um Jammer Lammy is a PlayStation rhythm game from the late 1990s, built around a young lamb who plays guitar through a series of increasingly absurd performances. Clips labelled Dojo Cassino circulate among fans of that game and of retro rhythm titles more broadly, often shared as short soundboard entries rather than as full songs. Its appeal has lasted because the game itself remains a cult favourite, remembered for its humour, its music and its distinctive art style, and because a clip this short is easy to reuse in modern edits without losing its original playful character.