Module lookup 

The signs of braille music: music21’s braille.lookup.

A cell is named by its raised dots, written as one number with the dots in order: 1245 is dots one, two, four and five, ⠛. The signs follow Mary Turner De Garmo’s Introduction to Braille Music Transcription (2005), with some from Bettye Krolick’s New International Manual of Braille Music Notation where De Garmo has none.

Functions

accidental

The sign of an accidental by music21’s name for it: music21’s accidentals.

alphabet

A letter, a digit or a punctuation mark: music21’s alphabet.

ascii_char

The ASCII character standing for a cell in braille ASCII: music21’s ascii_chars.

barline

The sign of a barline by music21’s type: music21’s barlines.

before_note_expression

The sign of an articulation written before its note, by music21’s name: music21’s beforeNoteExpr.

binary_dots

Each row of a cell’s dots, left and right, as 0 and 1: music21’s binary_dots. music21 writes dots one, two, three, five and six as 01 11 11, the first row backwards, and so does this.

bowing

The sign of a bowing by music21’s name: music21’s bowingSymbols.

cell

The cell with these dots raised: music21’s brailleDotDict. Nought is the blank cell.

cells

The cells with these dots, one after another.

chord_symbol

A sign of a chord symbol: music21’s chordSymbols.

clef

The sign of a clef of this sign on this line: music21’s clefs.

clef_prefix

The sign starting a clef: music21’s clefs['prefix'].

clef_suffix

The sign ending a clef, the other for a keyboard hand switched: music21’s clefs['suffix'].

dots_add

The cell holding every dot of these numbers together: music21’s dotsAdd.

fermata

The sign of a fermata of this shape: music21’s fermatas['shape'].

finger_mark

The sign of a finger, one to five: music21’s fingerMarks.

interval

The sign of an interval from a second to an octave: music21’s intervals.

key_signature

The key signature of so many sharps, or flats below nought: music21’s keySignatures.

length_prefix

The sign saying which half of the note values follows: music21’s lengthPrefixes, larger for whole to eighth, smaller for 16th to 128th and xsmall for shorter.

naturals

So many naturals cancelling a key signature: music21’s naturals.

number_lower

A digit in the lower cells, as a time signature’s denominator is written: music21’s numbersLower.

number_upper

A digit in the upper cells, as a number is written: music21’s numbersUpper.

octave

The sign of an octave from nought to eight: music21’s octaves.

pitch_name_to_note

A note of this letter and note value: music21’s pitchNameToNotes. A value and its sixteenfold share a sign; a breve and a longa are a whole note written around one and two breve signs.

rest

The rest of a note value: music21’s rests. dummy is the dot written for a rest standing in for a missing part.

symbol

A sign by music21’s name for it: music21’s symbols.

text_expression

The signs of the hairpin words written as text: music21’s textExpressions.