The @num attribute specifies a MIDI parameter number, while @val contains the parameter value. Each must fall in the range 0-127.
<elementSpec xmlns="http://www.tei-c.org/ns/1.0" rend="add" ident="cc" module="MEI.midi"><gloss xml:lang="en">control change</gloss>
<desc xml:lang="en">MIDI parameter/control change.</desc>
<classes>
<memberOf key="att.common"/>
<memberOf key="att.midi.event"/>
<memberOf key="att.midiNumber"/>
<memberOf key="att.midiValue"/>
</classes>
<content>
<empty/>
</content>
<remarks xml:lang="en">
<p>The <att>num</att> attribute specifies a MIDI parameter number, while <att>val</att>
contains the parameter value. Each must fall in the range 0-127.</p>
</remarks></elementSpec>