<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<!DOCTYPE score-partwise PUBLIC "-//Recordare//DTD MusicXML 3.0 Partwise//EN" "http://www.musicxml.org/dtds/partwise.dtd">
<score-partwise version="3.0">       <part-list>                        <score-part id="P1"><part-name>Piano</part-name>   </score-part></part-list><part id="P1"><measure number="1">             <!-- 第一小节 --><attributes>                   <divisions>256</divisions>   <key>                        <fifths>0</fifths>         <!-- C 大调 --></key><time><beats>4</beats><beat-type>4</beat-type>   </time><clef><sign>G</sign><line>2</line>             </clef></attributes><note>                         <pitch>                      <step>C</step>              <!-- 主音 --><octave>4</octave>         </pitch><duration>1024</duration>    <type>whole</type>           </note></measure><measure number="2">              <!-- 第二小节 --><attributes>                   <key>                        <fifths>2</fifths>  <mode>major</mode>          <!-- D 大调 --></key></attributes><note>                         <pitch>                      <step>D</step><octave>4</octave>          <!-- 主音 --></pitch><duration>1024</duration>    <type>whole</type>           </note></measure><measure number="3">              <!-- 第三小节 --><attributes>                   <key>                        <fifths>2</fifths>  <mode>minor</mode>          <!-- b 小调 --></key></attributes><note>                         <pitch>                      <step>B</step><octave>4</octave>          <!-- 主音 --></pitch><duration>1024</duration>    <type>whole</type>           </note></measure><measure number="4">              <!-- 第四小节 -->  <attributes>                   <key>                        <fifths>-6</fifths>  <mode>major</mode>          <!-- bD 大调 --></key></attributes><note>                         <pitch>                      <step>D</step><alter>-1</alter>           <!-- 主音 --><octave>4</octave>         </pitch><duration>1024</duration>    <type>whole</type>         </note></measure></part>
</score-partwise>