Fa Your browser does not support the audio element. [ French , F ] Definition The fourth tone (subdominant) in a diatonic scale. In the "fixed Do" system, Fa is always F. See more about pitches in the Appendix. See also [Eng.] F; [Fr.] Fa (m); [Ger.] F (n); [It.] Fa (m); [Sp.] Fa (m). Share Share on Facebook (opens in a new tab) Share on X (opens in a new tab) Last Updated: 2014-06-12 20:29:30