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EMT Lesson Four  How to understand keys and key signatures

What are key signatures?

You will see three things at the beginning of a piece of music. Two of these have already been discussed in the lesson on reading notes. They are:

  1. The clef.
  2. The time signature..

The third thing you will see is:

  1. The key signature.

Next: What is the purpose of key signatures at the beginning of music?