The original Rumble Racing uses CD-DA (Red Book audio). Some "highly compressed" rips remove this to save 200MB. You need a Redump-compatible ISO. Do not use "undubbed" or "audio stripped" versions.
Before you hit the track, here is what makes this game a must-play in 2024: rumble racing ps2 iso highly compressed extra quality
Because thirty seconds of split-screen mayhem with a 100MB file is proof that good things come in small, high-quality packages. The original Rumble Racing uses CD-DA (Red Book audio)