Musical Symbol Double Sharp

Represented by a distinctive x-shaped icon with small serif-like squares at each tip, 𝄪 is the Musical Symbol Double Sharp. In musical notation, it is read as a double sharp and functions as an accidental that raises the pitch of a note by two semitones, or one whole step. While it belongs to the Musical Symbols block, it is visually distinct from the standard single sharp sign, which resembles a hashtag.

Usage of this character is largely confined to specialized music theory and professional sheet music engraving. It appearing in scores for instruments like the piano or violin to indicate specific chromatic alterations required by the key signature or melodic progression. Outside of formal music publishing, this symbol is rarely encountered in general typography or social media, though it may occasionally appear in digital documents or educational materials discussing advanced music harmony and composition.