It is a note a half step above or below the original note (a sharp or flat).
The 7th note (leading note) is raised by a semitone in a harmonic minor scale.
It is half a note in pitch
Any note which has the word 'sharp' in it is always a semitone above the given note.
G#
semitone. B to C and E to F are semitones
flat
B
To lower a note by a semitone, you would use the flat (♭) symbol. For example, if you have the note C and you want to lower it by a semitone, you would play C♭. Similarly, if you needed to lower D, you would use D♭.
The five-letter word that raises a note by one semitone in pitch is "sharp." In music, a sharp symbol (♯) indicates that the pitch of a note should be raised by a half step, or one semitone. For example, if you have a note C and you apply a sharp, it becomes C♯.
Lower each note by a semitone.
It lowers the note by one half-step/semitone.
It either raises or lowers a note a semitone. It cancels the effect of a sharp or flat.