The single horn is the most common type of French horn. It is a B♭ instrument, meaning that it plays in the key of B♭. Single horns are typically made of brass and have a flared bell. They are played by holding the horn in the right hand and using the left hand to operate the valves.
2. Double horn
The double horn is a type of French horn that has two bells and two sets of valves. The bells are pitched in B♭ and F, respectively, allowing the player to play in both keys. Double horns are typically made of brass and are played by holding the horn in the right hand and using the left hand to operate the valves.
3. Triple horn
The triple horn is a type of French horn that has three bells and three sets of valves. The bells are pitched in B♭, F, and E♭, respectively, allowing the player to play in all three keys. Triple horns are typically made of brass and are played by holding the horn in the right hand and using the left hand to operate the valves.
4. Alto horn
The alto horn is a type of French horn that is pitched in E♭. It is typically made of brass and has a flared bell. Alto horns are played by holding the horn in the right hand and using the left hand to operate the valves.
5. Bass horn
The bass horn is a type of French horn that is pitched in F. It is typically made of brass and has a flared bell. Bass horns are played by holding the horn in the right hand and using the left hand to operate the valves.
6. Contrabass horn
The contrabass horn is a type of French horn that is pitched in B♭. It is the lowest-pitched member of the French horn family. Contrabass horns are typically made of brass and have a flared bell. They are played by holding the horn in the right hand and using the left hand to operate the valves.