The story
Named after American composer and conductor John Philip Sousa + -phone.
Etymology from Wiktionary, CC BY-SA 4.0.
sousaphone
sou·sa·phoneToday it means: A valved brass instrument with the same length as a tuba, but shaped differently so that the bell is above the head, that the valves are situated directly in front of the musical instruments and a few inches above the waist, and that most of the weight rests on one shoulder. Full definition →