This character is a Format 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 acts as Boundary Neutral. When changing direction it is not mirrored. U+1D173 prohibits a line break before it.
The Wikipedia has the following information about this codepoint:
In musical notation, a beam is a horizontal or diagonal line used to connect multiple consecutive notes (and occasionally rests) to indicate rhythmic grouping. Only eighth notes (quavers) or shorter can be beamed. The number of beams is equal to the number of flags that would be present on an unbeamed note. Beaming refers to the conventions and use of beams. A primary beam connects a note group unbroken, while a secondary beam is interrupted or partially broken.
Representations
System
Representation (click value to copy)
NΒΊ
119155
UTF-8
F0 9D 85 B3
UTF-16
D8 34 DD 73
UTF-32
00 01 D1 73
URL-Quoted
%F0%9D%85%B3
HTML hex reference
𝅳
Wrong windows-1252 Mojibake
Γ°Ββ¦Β³
Encoding: GB18030 (hex bytes)
94 32 C6 39
RFC 5137
\u'1D173'
Bash and Zsh inside echo -e
\U0001D173
C and C++
\U0001D173
C#
\U0001D173
CSS
\01D173
Excel
=UNICHAR(119155)
Go
\U0001D173
JavaScript
\uD834\uDD73
Modern JavaScript since ES6
\u{1d173}
JSON
\uD834\uDD73
Java
\uD834\uDD73
Lua
\u{1D173}
Matlab
char(119155)
Perl
"\x{1D173}"
PHP
\u{1d173}
PostgreSQL
U&'\+01D173'
PowerShell
`u{1D173}
Python
\U0001D173
Ruby
\u{1d173}
Rust
\u{1d173}
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