How about an option to display the sharp and flat symbols like what happens with letter names, because this helps with awareness of the exact note. The syllables could then remain in their primary format because that is how they are normally sung anyway.
We do have it on the todo list to add a new solfege system including Fixed Do with chromatic syllables. In the meantime, we would suggest using Movable Do. It has the chromatic syllables. The standard Fixed Do system does not use chromatic syllables.
Sight Reading Factory
Request for Fixed Do solfege with chromatic syllables. Di, Ri, Fi, Si, Li for sharps and Ra, Me, Se, Le, Te for flats.
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