Do Now! - PowerPoint PPT Presentation

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Do Now!

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  1. Do Now! • What is considered to be percussion instruments?

  2. Let’s Get Busy Percussion Family

  3. http://www.marchingnetwork.tv/ondemand/view_video.php?viewkey=4215ea5c22fda1aac7b7&page=1&viewtype=basic&category=mrhttp://www.marchingnetwork.tv/ondemand/view_video.php?viewkey=4215ea5c22fda1aac7b7&page=1&viewtype=basic&category=mr

  4. How sounds are made • In percussion instruments, the sound source is a vibrating membrane ( these instruments are called membranophones) or vibrating piece of solid material (these are called idiophones) • The percussionist normally causes these materials to vibrate by hitting them (hence the name percussion). But many percussion instruments are played by shaking, rubbing, or any other way of causing vibrations. • http://www.youtube.com/watch?v=R_rTICMVXQQ&feature=related

  5. How the pitch is changed • Because of the complex ways in which the sound source vibrates, most percussion instruments do not have definite pitch. • Most of the instruments that do have definite pitch are ideophones. • The pitch of these instruments depends on the amount of material that is vibrating. In general, this means that the instruments must have a different vibrating body for each note, such as xylophone bars, chimes, bells or the tuned gongs of a gamelan orchestra. • The pitch of a membranophones (i.e. drums) depends on the thickness and tension of the drumhead. The only common membranophones with definite pitch are the kettledrums (timpani). • http://www.youtube.com/watch?v=741PvMMaO8I

  6. Examples • http://www.youtube.com/watch?v=akabvtZWCvI • http://www.youtube.com/watch?v=MrcjauFizUM • http://www.youtube.com/watch?v=YwNX0ECR1GI • http://www.youtube.com/watch?v=SmM5ozoWOPA&feature=related

  7. Exit ticket! • What is the sound source of percussion? • How does a percussion instrument vibrate? • What is a membranophone? • What’s another name for kettledrum? • What is a percussion instrument?