What is a Double Sharp? (Musical Symbol: X / × / Cross)

The symbol that resembles “×” or “Cross” found in piano sheet music is the musical symbol known as a Double Sharp ().

This article will explain in detail the meaning and usage of the double sharp symbol.

What is a Double Sharp?

A Double Sharp () means raising the original note by a full tone (two semitones).

For example, if a Double Sharp is placed on “F,” it will result in the same pitch as “G.”

Various Accidentals in Sheet Music

• Sharp (♯): Raises by one semitone
• Flat (♭): Lowers by one semitone
• Natural (♮): Restores to the original pitch
• Double Sharp (): Raises by a full tone.
• Double Flat (♭♭): Lowers by a full tone.

The Double Sharp is a musical symbol that looks like “×” or “Cross.”

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When Does a Double Sharp Appear?

G♯ Minor (Sharp Minor Key)

The Double Sharp () appears in the G♯ minor scale.

When Used in Modulation or Accidentals

Double sharps are used when a piece modulates or when accidentals are used to modify the pitch of notes.

• When it is necessary to raise a note by a full tone.
• When it is written to adjust the pitch in a modulation section.

Pieces with Strongly Tonal Elements Outside the Key

In modern pop music, where the movement of notes is freer and not constrained by tonality, a Double Sharp may appear.

Summary

The Double Sharp () is an important symbol when reading sheet music.

Learn the rule that it raises the note by a full tone, and deepen your understanding of the Double Sharp!