U+1D21D "𝈝" Greek Instrumental Notation Symbol-1 Unicode Character

U+1D21D "𝈝" Greek Instrumental Notation Symbol-1 is a specific sign from the ancient Greek system of instrumental notation, which was used to indicate musical pitch and rhythm for instruments such as the lyre and aulos. This character belongs to the "Ancient Greek Musical Notation" block, which encodes a series of symbols that predate modern Western staff notation and are found in surviving Greek musical manuscripts. Its design, resembling a stylized angular or curved mark, functioned as a note or a performance instruction within a larger set of signs that allowed musicians to read and execute melodies. Though rarely used in contemporary contexts, the symbol is preserved in Unicode to support scholarly research and digital publication of historical Greek music texts.