About MUSICAL SYMBOL TRIANGLE-ROUND NOTEHEAD DOWN WHITE
Musical Symbol Triangle-round Notehead Down White (U+1D154) is a Unicode other symbol from the Musical Symbols block. It resides on Plane 1 (SMP, Supplementary Multilingual Plane), has bidirectional class L (left-to-right), is not mirrored, and has combining class 0 (Not Reordered). In HTML it can be written as 𝅔 or 𝅔. Because it is outside the Basic Multilingual Plane, proper font support is required; otherwise a fallback box may be shown.