U+1D15B "𝅛" Musical Symbol Cluster Notehead Black Unicode Character

Unicode Version 17.0

𝅛

U+1D15B "𝅛" Musical Symbol Cluster Notehead Black is a specialized glyph used in musical notation to represent a cluster of notes within a single chord, typically depicted as a solid, black rectangular shape that spans a vertical interval on the staff. This symbol is part of the Musical Symbols block (U+1D100 to U+1D1FF) and is employed in contemporary and avant-garde compositions to indicate dense, tone-cluster passages where precise individual pitches are less important than the overall sonic mass. Unlike standard noteheads that denote exact pitches, this character visually communicates a block of sound, often requiring performers to fill the indicated range with adjacent chromatic or diatonic tones. It serves as a practical tool for notating complex harmonic clusters without writing out each note individually, thereby simplifying the score for both the composer and the musician.

General Properties

Code Point U+1D15B
Version Added 3.1
Name Musical Symbol Cluster Notehead Black
Block Musical Symbols
General Category Other Symbol
Canonical Combining Class Not Reordered
Bidirectional Class Left To Right

Encodings

HTML Decimal Encoding 𝅛
HTML Hex Encoding 𝅛
UTF-8 Encoding 0xF0 0x9D 0x85 0x9B
UTF-16 Encoding 0xD834 0xDD5B
UTF-32 Encoding 0x0001D15B
C/C++/Java Escape \ud834\udd5b

Unicode Properties

NFC Quick Check Yes
NFD Quick Check Yes
NFKC Quick Check Yes
NFKD Quick Check Yes
Numeric Type None
Numeric Value NaN
Line Break Alphabetic
Script Common
Script Extensions Common
Indic Syllabic Category Other
Vertical Orientation Upright
Grapheme Base Yes
Grapheme Cluster Break Other
Word Break Other
Sentence Break Other