Reading Music Lesson #33: Double Bar Lines

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This reading music lesson is a supplement to the Alfred’s Essentials of Music Theory self-study workbook. While no book is perfect for learning how to read music, this is one of the best available. The concise explanations, brief practice exercises, ear-training CD’s, glossary of music terms, and answer key make it an excellent value. Buy this top-rated self-study course for beginners to advanced musicians and follow along with me.
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11/14/2021 12:04 am GMT

Double bar lines are found at the end of a section of music or at the very end of a song.

Just as bar lines divide the music staff into smaller sections, double bar lines organize the music into larger sections.

NOTE: The correct terminology for this in music theory is simply “double bar.”  However, the rest of the world calls them “double bar lines.”

I think this is because it more accurately describes what you are looking at making it easier to remember.

End of Section

A double bar line telling us it is the end of a section or movement will have 2 thin lines like this:

double bar lines

End of Song

If it is the end of the entire piece, then the second line will be a little thicker like this:

final double bar line

Even though both examples above are called double bar lines, they serve 2 completely different purposes.

Final Double Bar Line

In order to keep them straight, I like to call the last example a final double bar line.

Using this term for this specific type of double bar line seems a little clearer to me.  It’s saying this is the true ending and the music will be brought to some kind of closure or finality.

Now that we’ve got that straightened out, it’s time to move on to the time signature.

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11/14/2021 12:04 am GMT

2 Replies to “Reading Music Lesson #33: Double Bar Lines”

IJWTS wow! Why can’t I think of thnigs like that?

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