Musical Symbols is a Unicode block containing characters for representing modern musical notation. Fonts that support it include Bravura, Euterpe, FreeSerif, Musica and Symbola. The Standard Music Font Layout (SMuFL), which is supported by the MusicXML format, expands on the Musical Symbols Unicode Block's 220 glyphs by using the Private Use Area in the Basic Multilingual Plane, permitting close to 2600 glyphs.[3]
Aliprand, Joan; Winkler, Arnold (1998-02-24), "3.A.1 REVISED PROPOSAL a. Western Music", Preliminary Minutes - UTC #74 & L2 #171, Mountain View, CA - December 5, 1997
Suignard, Michel (2000-09-22), "Clause 10 Western musical symbols (Two identically named sectins: One under Ireland, one under Sweden)", Disposition of comments on SC2 N 3442 (ISO/IEC FCD 10646-2)
Anderson, Deborah; Whistler, Ken; Pournader, Roozbeh; Moore, Lisa; Constable, Peter; Liang, Hai (2020-07-21), "27. Music Symbols", Recommendations to UTC #164 July 2020 on Script Proposals