Related Clues:

• Make a harsh sound
• Harsh horn sound
• Language in school? It's discordant
• Unpleasant trumpet sound
• Bugler's blast
• Cry from small Native American chief
• Unpleasant sound from a tuba
• Prime Minister on the radio? Blast!
• Holler when rocky debris dumped by church
• Screeching from Red Robbo's employers many years back
• Clamour created by ex-PM in speech
• Siren noise
• Sound from brakes perhaps a sort of owl
• Ear-piercing wail
• Lay on, as a horn