Function stream_to_braille 

pub fn stream_to_braille(
    stream: &Stream,
    options: &BrailleOptions,
) -> Result<String>

A score, part or measure in braille, as music21’s objectToBraille writes one: a score part by part, two piano staves side by side, a part segment by segment.

Errors

A stream of another kind, or music that music21 cannot write.