I'm trying to determine how to import the standard TeX music accidental glyphs into LilyPond (\flat, \sharp, and \natural), but I'm having trouble tracking down the specific glyphs. Are they from Computer Modern? I'm not able to find them in any Computer Modern glyph collections. Nor do these glyphs seem to align with the standard Unicode characters.
Where are these glyphs from, and how can I locate/isolate them on my machine?