Classical music on a fourkey harmonica:

Bach's "Jesus Joy"

Grieg's "Morning Mood"

Bizet's themes from "Carmen"

Pachelbel's "Canon"

Petzold's "minuets in G"

Bach 156 "Arioso" and 988 "Goldberg aria"

Mozart's "Voi Che Sapete" from Marriage of Figaro

Wagner's "Evening Star" from Tannhauser

Schubert's "Ave Maria"

Beethoven's "Moonlight Sonata""

Puccini's "Mio babbino caro"

Bach 1031 "Siciliano"

Bach 1068 "Air"