Euphonium - Wikipedia
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It's a Giant. It's a Novelty. It's a Tuba Named Big Carl. - The New York Times
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18 Fascinating Tuba Facts- Facts.net
What instrument looks like a tuba but is smaller? - Quora
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John Packer JP077 Eb 3/4 Tuba from O'Malley Musical Instruments
What are the Different Kinds of Tubas? - Yamaha Music
Tuba - Wikipedia
What instrument looks like a tuba but is smaller? - Quora
Bass tuba hi-res stock photography and images - Alamy
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