I have been learning C-sharps for a year.

The orchestra played several f-sharps during the concert.

The orchestra tuned their instruments to the d-sharps.

The orchestra tuned their instruments, including the e-sharps.

The orchestra tuned their instruments to the E-sharps.

I played several F-sharps on the piano.

The B sharps played a lively tune at the concert.

The B-sharps harmonized perfectly in the acapella group.

The orchestra tuned their instruments, including the g-sharps.

The orchestra played several F sharps during the concert.