U+1D1B8 "𝆸" Musical Symbol Brevis Unicode Character

U+1D1B8 "𝆸" Musical Symbol Brevis is a glyph used in Western musical notation to represent a note value that is twice as long as a whole note, also known as a double whole note. Historically prevalent in medieval and Renaissance music, it is typically drawn as a hollow, open rectangle or an oval with two vertical lines on either side, depending on the stylistic convention. This symbol is part of the Musical Symbols block in Unicode, designed to preserve and digitally encode historical and contemporary notation systems for accurate representation in text and specialized software.