Throw this in each bin, under the items:

<audio>
<item oae-label="Audio" oae-type="textarea" oae-rows="1">
<![CDATA[]]>
</item>
<item oae-label="Audio" oae-type="textarea" oae-rows="1">
<![CDATA[]]>
</item>
<item oae-label="Audio" oae-type="textarea" oae-rows="1">
<![CDATA[]]>
</item>
<item oae-label="Audio" oae-type="textarea" oae-rows="1">
<![CDATA[]]>
</item>
<item oae-label="Audio" oae-type="textarea" oae-rows="1">
<![CDATA[]]>
</item>
<item oae-label="Audio" oae-type="textarea" oae-rows="1">
<![CDATA[]]>
</item>
<item oae-label="Audio" oae-type="textarea" oae-rows="1">
<![CDATA[]]>
</item>
<item oae-label="Audio" oae-type="textarea" oae-rows="1">
<![CDATA[]]>
</item>
<item oae-label="Audio" oae-type="textarea" oae-rows="1">
<![CDATA[]]>
</item>
<item oae-label="Audio" oae-type="textarea" oae-rows="1">
<![CDATA[]]>
</item>
</audio>