diff --git a/basic.musicxml b/basic.musicxml
index 0647851..89e4981 100644
--- a/basic.musicxml
+++ b/basic.musicxml
@@ -1,74 +1,37 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE score-partwise PUBLIC "-//Recordare//DTD MusicXML 3.1 Partwise//EN"
+<?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="3.1">
+<score-partwise version="4.0">
   <part-list>
     <score-part id="P1">
-      <part-name>Piano</part-name>
-      <part-abbreviation>Pno.</part-abbreviation>
-      <score-instrument id="P1-I1">
-        <instrument-name>Piano</instrument-name>
-      </score-instrument>
+      <part-name>Music</part-name>
     </score-part>
   </part-list>
   <part id="P1">
-    <measure number="1" width="430.87">
+    <measure number="1">
       <attributes>
         <divisions>1</divisions>
         <key>
-          <fifths>1</fifths>
+          <fifths>0</fifths>
         </key>
         <time>
           <beats>4</beats>
           <beat-type>4</beat-type>
         </time>
-        <staves>2</staves>
-        <clef number="1">
+        <clef>
           <sign>G</sign>
           <line>2</line>
         </clef>
-        <clef number="2">
-          <sign>F</sign>
-          <line>4</line>
-        </clef>
       </attributes>
-      <note default-x="103.25" default-y="-15.00">
+      <note>
         <pitch>
           <step>C</step>
-          <octave>5</octave>
+          <octave>4</octave>
         </pitch>
-        <duration>1</duration>
-        <voice>1</voice>
-        <type>quarter</type>
-        <stem>down</stem>
-        <staff>1</staff>
-      </note>
-      <note>
-        <rest/>
-        <duration>1</duration>
-        <voice>1</voice>
-        <type>quarter</type>
-        <staff>1</staff>
-      </note>
-      <note>
-        <rest/>
-        <duration>2</duration>
-        <voice>1</voice>
-        <type>half</type>
-        <staff>1</staff>
-      </note>
-      <backup>
-        <duration>4</duration>
-      </backup>
-      <note>
-        <rest measure="yes"/>
         <duration>4</duration>
-        <voice>5</voice>
-        <staff>2</staff>
+        <type>whole</type>
       </note>
-      <barline location="right">
-        <bar-style>light-heavy</bar-style>
-      </barline>
     </measure>
   </part>
 </score-partwise>