I played a C flat on the piano.

C♭ is the alternative spelling of C-flat.

C flat is a musical note.

I have two C-flats in my music collection.

I saw several c-flats while walking through the neighborhood.

There are many c flats in the apartment building.

I have been learning C-sharps for a year.

The orchestra performed on the C flats.

I love playing musical instruments, especially the piano and the C sharps.

I have been learning c-sharps for a year.