Blare (verb)

1. Make a loud, harsh noise, typically a prolonged one.
2. Play music or make a sound loudly and without restraint.

Origin:

Late middle english: imitative of the sound of a trumpet or horn.

Examples:

1. The car's horn blared as it tried to pass us.
2. The music blared from the speakers.
3. The siren blared loudly as the ambulance passed by.
4. The trumpet blared a fanfare to announce the arrival of the king.
5. The loudspeaker blared out a message.