Do we give up too easily? French horn player Felix Klieser overcame great challenges to become a top musician. Some think problem-solving is the greatest skill of all.
The virtuoso musician who plays with his toes

Glossary
French horn - A circular brass instrument with a large opening at the end. When uncoiled, the horn is a piece of metal around four metres long.
Professional - Someone who does something as their profession, or job. E.g. playing music.
Mozart - An 18th Century classical musician who composed more than 800 works.