In case it is necessary to specify an alteration that doesn't appear in the key signature:

• The alteration symbol is written before or after the number that corresponds to the affected note
• If the alteration symbol appears by itself, it applies to the 3rd above the bass
• The slash across a number may be used to raise a note by half step

Here we have various examples:

Here is an example from Bach's Cantata Ach, lieben Christen, seid getrost (BWV 114). We show the notes of the chords (not a good realization of the figured bass) at the treble staff. Note the use of the slash to indicate an F sharp at the first measure:

---

Search   •    Write to us

---

This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.
José Rodríguez Alvira.