--- /dev/null
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE score-partwise PUBLIC "-//Recordare//DTD MusicXML 1.0 Partwise//EN"
+ "http://www.musicxml.org/dtds/partwise.dtd">
+<score-partwise>
+ <identification>
+ <miscellaneous>
+ <miscellaneous-field name="description">The number of staff lines can be
+ modified by using the staff-lines child of the staff-details attribute.
+ This can happen globally (the first staff has one line globally) or
+ during the part at the beginning of a measure and even inside a measure
+ (the second part has 5 lines initially, 4 at the beginning of the
+ second measure, and 3 starting in the middle of the third
+ measure).</miscellaneous-field>
+ </miscellaneous>
+ </identification>
+ <part-list>
+ <part-group number="1" type="start">
+ <group-symbol>bracket</group-symbol>
+ <group-barline>yes</group-barline>
+ </part-group>
+ <score-part id="P1">
+ <part-name>Part 1</part-name>
+ </score-part>
+ <score-part id="P2">
+ <part-name>Part 2</part-name>
+ </score-part>
+ <part-group number="1" type="stop"/>
+ </part-list>
+ <!--=========================================================-->
+ <part id="P1">
+ <measure number="1">
+ <attributes>
+ <divisions>1</divisions>
+ <key>
+ <fifths>0</fifths>
+ <mode>major</mode>
+ </key>
+ <staff-details>
+ <staff-lines>1</staff-lines>
+ </staff-details>
+ </attributes>
+ <note>
+ <pitch>
+ <step>D</step>
+ <octave>5</octave>
+ </pitch>
+ <duration>4</duration>
+ <voice>1</voice>
+ <type>whole</type>
+ </note>
+ </measure>
+ <!--=======================================================-->
+ <measure number="2">
+ <note>
+ <pitch>
+ <step>D</step>
+ <octave>5</octave>
+ </pitch>
+ <duration>4</duration>
+ <voice>1</voice>
+ <type>whole</type>
+ </note>
+ </measure>
+ <!--=======================================================-->
+ <measure number="3">
+ <note>
+ <pitch>
+ <step>D</step>
+ <octave>5</octave>
+ </pitch>
+ <duration>4</duration>
+ <voice>1</voice>
+ <type>whole</type>
+ </note>
+ </measure>
+ </part>
+ <!--=========================================================-->
+ <part id="P2">
+ <measure number="1">
+ <attributes>
+ <divisions>1</divisions>
+ <key>
+ <fifths>0</fifths>
+ <mode>major</mode>
+ </key>
+ <staff-details>
+ <staff-lines>5</staff-lines>
+ </staff-details>
+ </attributes>
+ <note>
+ <pitch>
+ <step>G</step>
+ <octave>4</octave>
+ </pitch>
+ <duration>4</duration>
+ <voice>1</voice>
+ <type>whole</type>
+ </note>
+ </measure>
+ <!--=======================================================-->
+ <measure number="2">
+ <attributes>
+ <staff-details>
+ <staff-lines>4</staff-lines>
+ </staff-details>
+ </attributes>
+ <note>
+ <pitch>
+ <step>G</step>
+ <octave>4</octave>
+ </pitch>
+ <duration>2</duration>
+ <voice>1</voice>
+ <type>half</type>
+ </note>
+ <note>
+ <pitch>
+ <step>G</step>
+ <octave>4</octave>
+ </pitch>
+ <duration>2</duration>
+ <voice>1</voice>
+ <type>half</type>
+ </note>
+ </measure>
+ <!--=======================================================-->
+ <measure number="3">
+ <note>
+ <pitch>
+ <step>G</step>
+ <octave>4</octave>
+ </pitch>
+ <duration>2</duration>
+ <voice>1</voice>
+ <type>half</type>
+ </note>
+ <attributes>
+ <staff-details>
+ <staff-lines>2</staff-lines>
+ </staff-details>
+ </attributes>
+ <note>
+ <pitch>
+ <step>G</step>
+ <octave>4</octave>
+ </pitch>
+ <duration>2</duration>
+ <voice>1</voice>
+ <type>half</type>
+ </note>
+ </measure>
+ </part>
+ <!--=========================================================-->
+</score-partwise>