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This is the song writing lesson.
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Music isa lot like a computer program.
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The written notes and words tell
the singer exactly what to do.
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Some parts of music are used over
and over again. We call this the chorus.
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In a computer program, the parts of the program
used over and over again are called functions.
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When you read song lyrics, and it says the word "chorus",
do you sing the word chorus?
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No, you look at the top of the page
to see what words make up the chorus.
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In this lesson, you'll learn a silly little song
called Little Bunny Foo Foo.
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The song has a chorus that you will sing
several times over and over again.
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A function is a piece of code that you
can call and use over and over again.
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It makes programming easier
and more efficient,
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so you don't have to write out the steps
of your function over and over again.
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You can just write it once!