Pitch of brass instruments - Wikipedia

Bugle: Brass Instrument, Pitch (Music), Embouchure, Harmonic Series (Music), Note, Bugle Call, Bull, Horn (Instrument), Post Horn, Trumpet, Flugelhorn : Miller, Frederic P., Vandome, Agnes F., McBrewster, John: : Livres

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How do octaves work on a brass instrument? - Quora

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