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Chord progressions one, four and five for the C major scale:
Chord one - C, E, G. C is the first interval in the C major scale.

Chord four - F, A, C. F is the fourth interval (piano key) in the C major scale.

Chord five - G, B, D. G is the fifth interval in the C major scale.

http://www.choose-piano-lessons.com/chord-progression.html

This helpful website uses charts, simple grammar, and short paragraphs to teach beginners how to write music with popular chord progressions.

The most popular basic chord progression for piano is 1, 4, and 5 - I, IV and V - one, four and five.

That means you play the three note chord for the first, fourth and fifth notes of the heptatonic seven note scale. 🙂👍😊

Other popular chord progressions are:

1, 3, 4, 5 - I, III, IV, V - one, three, four, five.

1, 2, 5, 1 - I, II, V, I - one, two, five, one.

1, 4, 2, 5, 1 - I, IV, II, V, I - one, four, two, five, one.

1, 6, 2, 5, 1 - I, VI, II, V, I - one, six, two, five, one.

1, 3, 6, 2, 5, 1 - I, III, VI, II, V, I - one, three, six, two, five, one.


Chord progressions can be used for writing and playing music in the major or natural minor seven note scales.

Chord progressions are also used for writing and playing music in the augmented or diminished seven note scales.