The French horn is built so that it sounds in the key of F. If a hornist's music says to play a middle C, it will be the same pitch as an F below middle C on the piano. If a piece of music is writen...
There's five flats in the key signature, so starting on the D just below the staff, the fingerings are: Db (1 2), Eb (2), F (1), Gb (2), Ab (2 3), Bb (1), C (open), Db (1 2).The fingerings are for a...