Converting the attached .musicxml file to .ly via musicxml2ly produces
r4*9.0
in voice P3, which LilyPond doesn't like and says
syntax error, unexpected REAL
Have a nice Sunday,
AS
<score-partwise version="4.0">
<work>
<work-title>Untitled score</work-title>
</work>
<identification>
<creator type="composer">Composer / arranger</creator>
<encoding>
<software>MuseScore 4.4.2</software>
<encoding-date>2024-10-23</encoding-date>
<supports element="accidental" type="yes" />
<supports element="beam" type="yes" />
<supports element="print" attribute="new-page" type="no" />
<supports element="print" attribute="new-system" type="no" />
<supports element="stem" type="yes" />
</encoding>
</identification>
<part-list>
<score-part id="P3">
</score-part>
<score-part id="P4">
</score-part>
</part-list>
<part id="P3">
<measure number="1">
<attributes>
<divisions>4</divisions>
<key>
<fifths>-1</fifths>
</key>
<time>
<beats>4</beats>
<beat-type>4</beat-type>
</time>
<clef>
<sign>G</sign>
<line>2</line>
<clef-octave-change>-1</clef-octave-change>
</clef>
</attributes>
<note>
<!-- <rest measure="no" /> -->
<rest/>
<duration>36</duration>
<voice>1</voice>
</note>
</measure>
</part>
<part id="P4">
<measure number="1">
<attributes>
<divisions>4</divisions>
<key>
<fifths>-1</fifths>
</key>
<time>
<beats>4</beats>
<beat-type>4</beat-type>
</time>
<clef>
<sign>F</sign>
<line>4</line>
</clef>
</attributes>
<note>
<pitch>
<step>F</step>
<octave>3</octave>
</pitch>
<duration>4</duration>
<voice>1</voice>
<type>quarter</type>
<stem>down</stem>
<notations>
<slur type="start" orientation="over" placement="above" number="1" />
</notations>
<lyric number="1">
<syllabic>begin</syllabic>
<text>Re</text>
</lyric>
</note>
<note>
<pitch>
<step>G</step>
<octave>3</octave>
</pitch>
<duration>2</duration>
<voice>1</voice>
<type>eighth</type>
<stem>down</stem>
<notations>
<slur type="stop" number="1" />
</notations>
</note>
<note>
<pitch>
<step>F</step>
<octave>3</octave>
</pitch>
<duration>2</duration>
<voice>1</voice>
<type>eighth</type>
<stem>down</stem>
<lyric number="1">
<syllabic>middle</syllabic>
<text>qui</text>
</lyric>
</note>
<note>
<pitch>
<step>F</step>
<octave>3</octave>
</pitch>
<duration>4</duration>
<voice>1</voice>
<type>quarter</type>
<stem>down</stem>
<lyric number="1">
<syllabic>end</syllabic>
<text>em</text>
</lyric>
</note>
<note>
<pitch>
<step>F</step>
<octave>3</octave>
</pitch>
<duration>2</duration>
<voice>1</voice>
<type>eighth</type>
<stem>down</stem>
<beam number="1">begin</beam>
<notations>
<slur type="start" orientation="over" placement="above" number="1" />
</notations>
<lyric number="1">
<syllabic>begin</syllabic>
<text>æ</text>
</lyric>
</note>
<note>
<pitch>
<step>G</step>
<octave>3</octave>
</pitch>
<duration>2</duration>
<voice>1</voice>
<type>eighth</type>
<stem>down</stem>
<beam number="1">continue</beam>
</note>
<note>
<pitch>
<step>A</step>
<octave>3</octave>
</pitch>
<duration>2</duration>
<voice>1</voice>
<type>eighth</type>
<stem>down</stem>
<beam number="1">end</beam>
<notations>
<slur type="stop" number="1" />
</notations>
</note>
<note>
<pitch>
<step>A</step>
<octave>3</octave>
</pitch>
<duration>2</duration>
<voice>1</voice>
<type>eighth</type>
<stem>down</stem>
<notations>
<slur type="start" orientation="over" placement="above" number="1" />
</notations>
<lyric number="1">
<syllabic>middle</syllabic>
<text>ter</text>
</lyric>
</note>
<note>
<pitch>
<step>G</step>
<octave>3</octave>
</pitch>
<duration>4</duration>
<voice>1</voice>
<type>quarter</type>
<stem>down</stem>
</note>
<note>
<pitch>
<step>F</step>
<octave>3</octave>
</pitch>
<duration>2</duration>
<voice>1</voice>
<type>eighth</type>
<stem>down</stem>
<beam number="1">begin</beam>
</note>
<note>
<pitch>
<step>G</step>
<octave>3</octave>
</pitch>
<duration>2</duration>
<voice>1</voice>
<type>eighth</type>
<stem>down</stem>
<beam number="1">end</beam>
<notations>
<slur type="stop" number="1" />
</notations>
</note>
<note>
<pitch>
<step>G</step>
<octave>3</octave>
</pitch>
<duration>4</duration>
<voice>1</voice>
<type>quarter</type>
<stem>down</stem>
<notations>
<slur type="start" orientation="over" placement="above" number="1" />
</notations>
<lyric number="1">
<syllabic>end</syllabic>
<text>nam</text>
<extend />
</lyric>
</note>
<note>
<pitch>
<step>F</step>
<octave>3</octave>
</pitch>
<duration>4</duration>
<voice>1</voice>
<type>quarter</type>
<stem>down</stem>
<notations>
<slur type="stop" number="1" />
</notations>
</note>
</measure>
</part>
</score-partwise>
