How I did to display it with TMPro.TextMeshProUGUI:
Followed https://stackoverflow.com/a/13215070/3021108: ttx -t cmap Musica.ttf
to get the unicode codes in it.
I clicked on Window > TextMeshPro > Font Asset Creator
. Then I added the codes into Font Assert by using Unicode Range (Hex).
After I had added them it turned out the range was:
20-7E,A0,A4,A6-A7,AC,B0-B1,B6-B7,D7,F7,2002-200D,2012-2014,2016,2022,2212,2219,25CC,2669-266F,1D000-1D0F5,1D100-1D126,1D129-1D1E8,1D200-1D245,FD158-FD159,FD173-FD17A,FD1E0-FD20F
The characters look very pixly right now but at least they are not empty.
I did not get it working with Text component, maybe someone else can answer how to do that.