User manual

Barlines are vertical lines that cross staves in order to show how music is divided into bars,
according to the time signature.
There are a number of different types of barlines that are used in different contexts:
Normal (Single)
A standard single barline that spans the entire height of the staff. For single-line
staves, the barline extends one space above and below the staff line by default.
Double
A double barline consists of two lines, both the width of single barlines, positioned
half a space apart by default. It is often used to denote signicant changes in the
music, or to mark the placement of rehearsal marks, key signature changes, and
tempo changes.
Final
A nal barline consists of two lines: one of normal width, the other thick. It marks
where the music ends.
Start repeat
A start repeat line consists of a thick barline, followed by a normal barline, followed
by one of the following arrangements of dots:
● Two dots, one each in the middle two spaces of a ve-line staff
● Four dots, one each in all four spaces of a ve-line staff
It shows the start of a repeated section. It is used alongside end repeat lines, which
show the end of a repeated section.
End repeat
An end repeat line is the mirror of a start repeat line, so it consists of either two or
four dots, followed by a normal barline, followed by a thick barline. It shows the end
Barlines
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