What does a flat sign (♭) do to a note?

raises the note by one half step
raises the note by one half step
lowers the note by one half step
lowers the note by one half step
cancels the previous accidental
cancels the previous accidental
lowers the note by one whole step
lowers the note by one whole step

1 answer

A flat sign (♭) lowers the note by one half step.