Key Signatures

Lesson 3/43 | Study Time: 5 Min
Key Signatures

Key Signatures

Instead of writing a sharp sign before every F note on the staff, it is easier to write just one sharp sign after each clef. This means that all the F notes on the staff are played as F# , even though there is no sharp sign written before them. This is called a key signature.

The G Major Key Signature

This is the key signature for the key of G major. It contains one F sharp (F#) because the G major scale contains F#.

The C Major Key Signature

This is the key signature for the key of C Major. It contains no sharps or flats because the C major scale contains no sharps or flats.

I Yi Yi Yi is in the key of G major. Notice the key signature and play all F notes as F#. This is one of the most well known songs from Mexico. The left hand accompaniment contains chords played staccato in the first part of the song and broken chords in the second half.

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