clarion

nouns

a medieval brass instrument with a clear shrill tone
is a type of (narrower)
a wind instrument that consists of a brass tube (usually of variable length) that is blown by means of a cup-shaped or funnel-shaped mouthpiece

verbs

blow the clarion
domain category
musical activity (singing or whistling etc.)
"his music was his central interest"
domain category
(music) the sounds produced by singers or musical instruments (or reproductions of such sounds)
is a type of (narrower)
perform music on (a musical instrument)
"He plays the flute"; "Can you play on this old recorder?"
proclaim on, or as if on, a clarion
is a type of (narrower)
state or announce
"`I am not a Communist,' he exclaimed"; "The King will proclaim an amnesty"

adjectives

loud and clear
"a clarion call"
is similar to
characterized by or producing sound of great volume or intensity
"a group of loud children"; "loud thunder"; "her voice was too loud"; "loud trombones"