<classSpec ident="att.midiNumber" module="MEI.midi" type="atts">
                                    
                                    <desc xml:lang="en">Attributes that record MIDI numbers.</desc>
                                    
                                    <attList>
                                       
                                       <attDef ident="num" usage="req">
                                          
                                          <gloss xml:lang="en">number</gloss>
                                          
                                          <desc xml:lang="en">MIDI number in the range set by data.MIDIVALUE.</desc>
                                          
                                          
                                          </attDef>
                                       </attList>
                                    </classSpec>