Which material is used to create the iconic gramophone-shaped Grammy Award trophies that winners receive?

The Grammy Awards are the music industry's most prestigious recognition, but how much do you know about their retail operations and behind-the-scenes business? This trivia question explores an interesting fact about the Grammy Award statues themselves and the retail supply chain that creates these iconic symbols of musical achievement. Test your knowledge about the business side of music's biggest night!

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Grammium, a zinc alloy specifically created for the awards and manufactured by the same company since 1958
24-karat gold plating over a zinc core, with each trophy requiring recertification by the World Gold Council
Recycled musical instruments melted down and recast annually from donations by previous winners
A proprietary blend of platinum and silver called 'Soundmetal' that resonates when tapped with a specific frequency