This character is a Other Symbol and is commonly used, that is, in no specific script.
The glyph is not a composition. It has no designated width in East Asian texts. In bidirectional text it is written from left to right. When changing direction it is not mirrored. The word that U+1D1D7 forms with similar adjacent characters prevents a line break inside it.
The Wikipedia has the following information about this codepoint:
A neume (; sometimes spelled neum) is the basic element of Western and some Eastern systems of musical notation prior to the invention of five-line staff notation.
The earliest neumes were inflective marks that indicated the general shape but not necessarily the exact notes or rhythms to be sung. Later developments included the use of heightened neumes that showed the relative pitches between neumes, and the creation of a four-line musical staff that identified particular pitches. Neumes do not generally indicate rhythm, but additional symbols were sometimes juxtaposed with neumes to indicate changes in articulation, duration, or tempo. Neumatic notation was later used in medieval music to indicate certain patterns of rhythm called rhythmic modes, and eventually evolved into modern musical notation. Neumatic notation remains standard in modern editions of plainchant.
Representations
System
Representation (click value to copy)
NΒΊ
119255
UTF-8
F0 9D 87 97
UTF-16
D8 34 DD D7
UTF-32
00 01 D1 D7
URL-Quoted
%F0%9D%87%97
HTML hex reference
𝇗
Wrong windows-1252 Mojibake
Γ°Ββ‘β
Encoding: GB18030 (hex bytes)
94 32 D0 39
RFC 5137
\u'1D1D7'
Bash and Zsh inside echo -e
\U0001D1D7
C and C++
\U0001D1D7
C#
\U0001D1D7
CSS
\01D1D7
Excel
=UNICHAR(119255)
Go
\U0001D1D7
JavaScript
\uD834\uDDD7
Modern JavaScript since ES6
\u{1d1d7}
JSON
\uD834\uDDD7
Java
\uD834\uDDD7
Lua
\u{1D1D7}
Matlab
char(119255)
Perl
"\x{1D1D7}"
PHP
\u{1d1d7}
PostgreSQL
U&'\+01D1D7'
PowerShell
`u{1D1D7}
Python
\U0001D1D7
Ruby
\u{1d1d7}
Rust
\u{1d1d7}
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