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If you have a world map or globe, help the students locate western Africa and specifically the countries Ghana and Nigeria. Tell the students: The peoples of western Africa, for example the Ashanti people of Ghana and the Yoruba people of Nigeria (both of which have talking drums) speak tonal languages. English is not a tonal language. The word "hat" means something you put on your head. If your voice rises while you say "hat", it might sound as if you are asking a question. If your voice falls, it might sound as if you are quite certain of the hat. If your voice rises and then falls, it might sound as if the hat surprises you. If your voice stays even, it might sound as if the hat bores you. But in every case you are talking about something that goes on your head.

If English were a tonal language, though, saying the syllable "hat" while your voice rises might mean something you put on your head; saying it while your voice falls might mean something you put on your feet. Saying it while your voice rises and then falls might mean "come here", and saying it evenly might mean an animal with long ears that hops. Some words in some African dialects are so precisely tonal that you could write out the notes for a particular word on a musical staff.

If you have invited a speaker of a tonal language for a demonstration, this is the best point in the discussion for it. You may also do the Tonal Languages activity at this point, or save it for immediately following the discussion.

Tell your students: So imagine the player of the talking drum. Using his left arm, he can control very precisely the tone of each syllable of his talking drum. What comes out of the drum is not the alphabet sounds of the words, but all the other things that go into a phrase - lengths, rhythms, pitches, rising and falling syllables. In a very tonal language, that is enough. The people who speak the same dialect as the drummer will be able to hear what his drum is saying. But, of course, if they are from a village that speaks with a different accent, they may not be able to understand his drum at all!

At this point you can do some of the activities below, or the "Make a Drum Code" activity from Message Drums , or share any books or sound recordings you have.

Activity: stretching raises the pitch

    Objectives and standards

  • Objectives - Using either rubber bands or available musical instruments, the students will demonstrate or attend a demonstration of the basic acoustics principle that the stretching and tightening caused by pulling on a vibrating object raises its pitch . (For a more complete demonstration project, see Sound and Music ).
  • Music Standards Addressed - National Standards for Music Education standard 8 (understanding relationships between music, the other arts, and disciplines outside the arts).
  • Other Subjects Addressed - The activity also addresses National Science Education Standards in physical science, science and technology, and science in personal and social perspective.
  • Evaluation - Assess student learning by evaluating class participation or asking relevant questions in an oral review or on a written test: e.g. "How can you make a drum sound higher?"

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Source:  OpenStax, Musical travels for children. OpenStax CNX. Jan 06, 2010 Download for free at http://cnx.org/content/col10221/1.11
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