In English and German, the fourth tone (subdominant) in the C major scale. In solfeggio, it is called Fa. The frequencies of the audible pitches of F are notated below. See also [Eng.] F; [Fr.] Fa; [Ger.] F; [It.] Fa; [Sp.] Fa. The note that indicates the bass clef. The line of the pitch of F is indicated in the bass clef by the two dots in the bass clef symbol, which itself is a stylized F. See F ClefAbbreviation for forte.