--- /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">Non-traditional key signatures,
+ where each alteration is separately given. Here we have (f sharp,
+ a flat, b flat) and (c flatflat, g sharp sharp, d flat, b sharp, f
+ natural), where in the second case an explicit octave is given for
+ each alteration.</miscellaneous-field>
+ </miscellaneous>
+ </identification>
+ <part-list>
+ <score-part id="P1">
+ <part-name>MusicXML Part</part-name>
+ </score-part>
+ </part-list>
+ <!--=========================================================-->
+ <part id="P1">
+ <measure number="1">
+ <attributes>
+ <divisions>1</divisions>
+ <key>
+ <key-step>3</key-step>
+ <key-alter>1</key-alter>
+ <key-step>5</key-step>
+ <key-alter>-1</key-alter>
+ <key-step>6</key-step>
+ <key-alter>-1</key-alter>
+ </key>
+ <time>
+ <beats>2</beats>
+ <beat-type>4</beat-type>
+ </time>
+ <clef>
+ <sign>G</sign>
+ <line>2</line>
+ </clef>
+ </attributes>
+ <note>
+ <pitch>
+ <step>C</step>
+ <octave>4</octave>
+ </pitch>
+ <duration>2</duration>
+ <voice>1</voice>
+ <type>half</type>
+ </note>
+ </measure>
+ <measure number="2">
+ <attributes>
+ <key>
+ <key-step>0</key-step>
+ <key-alter>-2</key-alter>
+ <key-step>4</key-step>
+ <key-alter>2</key-alter>
+ <key-step>1</key-step>
+ <key-alter>-1</key-alter>
+ <key-step>6</key-step>
+ <key-alter>1</key-alter>
+ <key-step>5</key-step>
+ <key-alter>0</key-alter>
+ <key-octave number="1">2</key-octave>
+ <key-octave number="2">3</key-octave>
+ <key-octave number="3">4</key-octave>
+ <key-octave number="4">5</key-octave>
+ <key-octave number="5">6</key-octave>
+ </key>
+ </attributes>
+ <note>
+ <pitch>
+ <step>C</step>
+ <octave>4</octave>
+ </pitch>
+ <duration>2</duration>
+ <voice>1</voice>
+ <type>half</type>
+ </note>
+ <barline location="right">
+ <bar-style>light-heavy</bar-style>
+ </barline>
+ </measure>
+ </part>
+</score-partwise>
+