and the F-clef notated to sound an octave higher can be used for the bass recorder, these uses are extremely rare. In Italian scores up to Gioachino Rossini's Overture to ''William Tell'', the cor anglais was written in bass clef an octave lower than sounding. The unmodified bass clef is so common that performers of instruments whose ranges lie below the staff simply learn to read ledger lines.

The octave-up F-clef is also used in women's barbershop music,