<glissando> (Single)
<measure number="18">
<note default-x="82">
<pitch>
<step>F</step>
<octave>4</octave>
</pitch>
<duration>2</duration>
<voice>1</voice>
<type>quarter</type>
<stem default-y="0">up</stem>
<staff>1</staff>
<notations>
<glissando line-type="wavy" number="1" type="start"/>
</notations>
</note>
<note default-x="136">
<pitch>
<step>G</step>
<octave>5</octave>
</pitch>
<duration>2</duration>
<voice>1</voice>
<type>quarter</type>
<stem default-y="-30">down</stem>
<staff>1</staff>
<notations>
<glissando line-type="wavy" number="1" type="stop"/>
</notations>
</note>
</measure>