>>> On 22 Sep 2021, at 23:05, Ivanov Dmitry <[email protected]> wrote:
>>>
>> I am trying to create a musicXML file with 2 voices:
>>
>> <?xml version="1.0" encoding="UTF-8" standalone="no"?>
>> <!DOCTYPE score-partwise PUBLIC
>> "-//Recordare//DTD MusicXML 4.0 Partwise//EN"
>> "http://www.musicxml.org/dtds/partwise.dtd";>
>> <score-partwise version="4.0">
>> <part-list>
>> <score-part id="P1">
>> <part-name>Music</part-name>
>> </score-part>
>> </part-list>
>> <part id="P1">
>> <measure number="1">
>> <attributes>
>> <divisions>1</divisions>
>> <key>
>> <fifths>1</fifths>
>> </key>
>> <time>
>> <beats>4</beats>
>> <beat-type>4</beat-type>
>> </time>
>> <clef>
>> <sign>G</sign>
>> <line>2</line>
>> </clef>
>> </attributes>
>> <note>
>> <voice>1</voice>
>> <pitch>
>> <step>F</step>
>> <alter>1</alter>
>> <octave>4</octave>
>> </pitch>
>> <duration>2</duration>
>> <type>half</type>
>> </note>
>> <note>
>> <pitch>
>> <step>G</step>
>> <alter>0</alter>
>> <octave>4</octave>
>> </pitch>
>> <voice>1</voice>
>> <duration>2</duration>
>> <type>half</type>
>> </note>
>> <note>
>> <pitch>
>> <step>C</step>
>> <alter>0</alter>
>> <octave>4</octave>
>> </pitch>
>> <voice>2</voice>
>> <duration>2</duration>
>> <type>half</type>
>> </note>
>> <note>
>> <pitch>
>> <step>A</step>
>> <alter>0</alter>
>> <octave>3</octave>
>> </pitch>
>> <voice>2</voice>
>> <duration>2</duration>
>> <type>half</type>
>> </note>
>> </measure>
>> </part>
>> </score-partwise>
>>
>> It seems ok to me: the notes are in the same measure. But when I use
>> musicxml2ly and then lilypond I get the second voice shifted to the
>> next measurement. What is wrong?
>> <score.png>
>
> Every note in musicxml moves the time-pointer forward, so your musicxml
> represents two voices that follow eachother. To make them parallel you need
> to <backup> a full measure before the notes of voice 2 to reset the
> time-pointer to the start of the measure.
> https://www.w3.org/2021/06/musicxml40/musicxml-reference/elements/backup/
