Here's an example of what a double sharp looks like and how to use it to raise the 7th in the key of G minor:Ī flat is just the opposite of a sharp it lowers a specified note by one half step. In this case we replace the normal sharp with a double sharp. In minor keys where the 7th note is naturally sharp, another sharp is needed to raise the note a half step higher in order to achieve the leading tone or construct a major V chord. We may be getting a little ahead of ourselves here, but a common use of a double sharp is in melodic minor melodies. Normal sharps are used in key signatures and as accidentals, but double sharps are mainly used as accidentals only. The double sharp raises a note one whole step and it looks like a mix between an 'x' and a star. In addition to sharps there exists a greater beast that does the job of two sharps at the same time it's called a double sharp.
When a sharp, flat, or natural sign is placed directly next to a note it's called an accidental. In this example the F note has a sharp next to it making it an F. They're used to raise a specified note by one half step and are always written on the line or space of the note they alter.
A sharp is a hash mark symbol ( ) you'll find in a key signature or as an accidental next to a note.
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