Q: Which musical instrument has a name which derives from the Greek for good sound or sweet voice?
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A: euphonium

Q: The Olympic Hymn at the opening ceremony at the 1992 Summer Olympics was sung in what language or languages?
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A: spanish and catalan

Q: In jazz, what kind of singing is vocal improvisation with nonsense syllables or without words at all, whereby singers have the ability to create the equivalent of an instrumental solo using their voice?
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A:
scat