Audio Archives Exposed: Inside the Studio Tapes of Tom Cat's Legendary Screams
When MGM abruptly shut down its animation department in 1957, Hanna and Barbera formed their own independent television studio. Facing shoe-string television budgets that allowed roughly $3,000 per episode compared to MGM's lush $40,000 budgets, the pair took their audio assets with them. Sound engineer Greg Watson began compiling the master tapes into a standardized filing system.
That catalog became the revered Hanna-Barbera sound library. Transferred first to 1/4-inch reel-to-reel tape and later duplicated across hundreds of production sound discs, Hanna’s original vocal takes were repurposed for decades. The exact scream Tom uttered when Jerry slammed a piano lid on his paws in The Cat Concerto (1947) resurfaced in episodes of The Flintstones, Scooby-Doo, Where Are You!, and The Jetsons.
During these transfers throughout the 1960s and 1970s, generational tape loss occurred. High-frequency clarity dulled, and background magnetic hiss crept in. Audio engineers compensated by running the tracks through aggressive high-pass filters. This accidental degradation made the scream sound even harsher, cementing the punchy, metallic tone that millions of Saturday morning cartoon viewers recognize today.