Answer: helicon

AnswerCrossword Clue
HELICONMilitary band instrument named for its shape
HELICONApollo's supposed residence.
HELICONApollo's mountain.
HELICONAbode of the Muses.
HELICONHome of the Muses.
HELICONMountain home of Apollo.
HELICONHome of the Muses
HELICONCircular tuba
HELICONSousaphone's relative
HELICONAbode of the Muses
heliconcoiled tuba carried over the shoulder and used esp. in military bands
helicona large brass tuba