For those who don’t know sheet music, let’s take a brief simplistic definition: bars are time intervals.
Observation: If you want to know how to read bars in sheet music, read this article.
Chords that have the same duration (are played the same amount of time) in the song, are divided by equal bars.
When a chord, in this case, lasts half the time of the other chords, we say that it lasted half a bar. Bars are represented by “| |”. In this representation, the lyrics of the song do not need not appear. For example, the excerpt from the song of the previous article could be written as follows:
| C | G7 | G7 | C |
Note that the G7 chord appeared twice in a row, as it lasted two bars.
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