<xi:include href="xml/glk-sound-channels.xml"/>
<xi:include href="xml/glk-playing-sounds.xml"/>
<xi:include href="xml/glk-sound-other.xml"/>
<xi:include href="xml/glk-sound-testing.xml"/>
</chapter>
<xi:include href="xml/glk-sound-channels.xml"/>
<xi:include href="xml/glk-playing-sounds.xml"/>
<xi:include href="xml/glk-sound-other.xml"/>
<xi:include href="xml/glk-sound-testing.xml"/>
</chapter>