FileHeader(1, 
 Page(_(u'Experimental MMA exercises'), [
  Column([
   LinkList(_(u'Harmonic progressions'), [
    Page(_(u'Harmonic progressions'), [
     Column([
      LinkList(_(u'Harmonic progressions'), [
       u'solfege:lesson-files/mma-1',
       u'solfege:lesson-files/mma-2',
       u'solfege:lesson-files/mma-3',
       ]),
      ]),
     ]),
    ]),
   LinkList(_(u'Untitled'), [
    u'solfege:lesson-files/mma-4-C',
    u'solfege:lesson-files/mma-4-c-moll',
    u'solfege:lesson-files/mma-7-C',
    u'solfege:lesson-files/mma-7-c-moll',
    ]),
   ]),
  ]),
 )
