The French horn is traditionally made of brass, which gives it its characteristic warm and mellow sound.

The French horn has a conical shape, which helps to produce its rich and resonant sound.

The French horn typically has three valves, which are used to change the pitch of the instrument.

The French horn has a range of F2 to F6, which makes it a versatile instrument that can be used in a variety of musical genres.

Hand-stopping is the technique used to produce a stopped note on the French horn. This is done by placing the hand in the bell of the instrument, which changes the pitch of the note.

Dennis Brain is widely considered to be the greatest French horn player of all time. He was known for his virtuosity and his ability to produce a beautiful and expressive sound.

The Concerto for Horn and Orchestra No. 1 in E♭ major, K. 447, by Wolfgang Amadeus Mozart is the most famous piece of music written for the French horn. It is a challenging and virtuosic piece that showcases the range and capabilities of the instrument.

The International Horn Society is the organization that represents French horn players in the United States. It is a non-profit organization that promotes the study, performance, and appreciation of the French horn.

The International Horn Festival is an annual festival that celebrates the French horn. It is held in a different city each year and features performances by some of the world's top horn players.

Lip trill is the technique used to produce a trill on the French horn. This is done by rapidly moving the lips between two adjacent notes.

Slide is the technique used to produce a glissando on the French horn. This is done by moving the hand in the bell of the instrument while playing a note.

Flutter-tongue is the technique used to produce a flutter-tongue on the French horn. This is done by rapidly moving the tongue against the roof of the mouth while playing a note.

Multiphonic is the technique used to produce a multiphonic on the French horn. This is done by playing two or more notes at the same time.

Stopped trill is the technique used to produce a stopped trill on the French horn. This is done by placing the hand in the bell of the instrument and rapidly moving it between two adjacent notes.