Lesson 1: Note values, duration, and time signatures

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Lesson 1: Note values, duration, and time signatures발음듣기

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[Voiceover] A note represents the pitch and duration of a musical sound.발음듣기

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Let's begin with duration or note value.발음듣기

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Here are five note values. A whole note which is a circle.발음듣기

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A half note which is a circle with a stem.발음듣기

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So two half notes equal one whole note.발음듣기

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A quarter note is like a half note but it's filled in.발음듣기

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Two of these equal a half note.발음듣기

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Four of these equal a whole note.발음듣기

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An eighth note is like a quarter note plus a flag.발음듣기

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Two of these equal a quarter note.발음듣기

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Four equal a half note and eight equal a whole note.발음듣기

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A sixteenth note is like an eighth note but with an extra flag. The pattern is the same.발음듣기

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Two sixteenths equal one eighth.발음듣기

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Four sixteenths equal one quarter and so on.발음듣기

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These flags can also be connected and the stems can go up or down without any change to the duration or length.발음듣기

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Now let's look at how these notes specifically apply to music.발음듣기

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We first begin with a time signature.발음듣기

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The one that I'm choosing is four/four.발음듣기

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The top number indicates how many regular pulses or beats are in each measure or bar.발음듣기

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The lower number tells us what kind of note is equal to one beat.발음듣기

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Therefore, if we write four quarter notes in four/four, the bar is over and we add a bar line.발음듣기

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If we do the same thing a second time, we have created two bars or two measures.발음듣기

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The word measure and bar are used interchangeably.발음듣기

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Let's use our five note values in four/four.발음듣기

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The whole note gets four beats.발음듣기

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If you find a whole note in music with a time signature of four/four, we would play or sing a single note and it would last the whole bar.발음듣기

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A half note would get half of the whole, or two beats.발음듣기

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Let's listen to the beginning of Dvorak's "New World Symphonies: Slow Movement"발음듣기

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This brass chorale has three measures or three bars of half notes and then one measure of whole note. (classical brass music) (music swells)발음듣기

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