The flugelhorn (also spelled fluegelhorn or flügelhorn) is a brass instrument resembling a trumpet but with a wider, conical bore. Some consider it to be a member of the saxhorn family developed by Adolphe Sax(who also developed the saxophone);
however, other historians assert that it stems from the keyed bugle by
Michael Saurle (father), Munich 1832 (Royal Bavarian privilege for a
"chromatic Flügelhorn" 1832), thus predating Adolphe Sax's innovative
work.
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