MUSICAL INSTRUMENTS
'(<a href="http://www.j-archive.com/media/2005-12-02_DJ_23.jpg" target="_blank">Cheryl of the Clue Crew holds up a harmonica.</a>)  As opposed to a chromatic harmonica with sharps & flats, <a href="http://www.j-archive.com/media/2005-12-02_DJ_23a.jpg" target="_blank">this</a> one has holes for just a single scale'
a diatonic harmonica