Page(_(u'Experimental MMA exercises'), [
 Column([
  LinkList(_(u'Harmonic progressions'), [
   Page(_(u'Harmonic progressions'), [
    Column([
     LinkList(_(u'Harmonic progressions'), [
      u'69ec8ca8-e914-4316-afca-bde813f76c84',
      u'c5a50b68-124e-45aa-844c-38cda09df59d',
      u'29c17ec0-3aa5-4ed5-86ba-3e28a05d1771',
     ]),
    ]),
   ]),
  ]),
 ]),
])
