Original: Two famous pieces in the key of F minor are Beethoven's Appassionata Sonata, and Haydn's Symphony No. 49 in F minor, La Passione.
Simplified: Some famous pieces in the key of F minor are Beethoven's Appassionata Sonata, Haydn's Symphony No. 49 in F minor, La Passione, and Vivaldi's The Four Seasons.