The primary chords for any major key are the I, IV and V chords of its corresponding major scale. For C Major, the primary chords are: C, F, G, and G7. From the primary and secondary chords of a major key, countless songs and chords progressions can be played.

The secondary chords for any major key are the II, III and VI chords of it's corresponding major scale. For C Major, the secondary chords are: Dm, Em and Am. From the primary and secondary chords of a major key, countless songs and chords progressions can be played.

Major and Minor Harmonized Chord Charts are used for while doing a Harmonic Analysis (HA). Shows triads and 4-part chords for ALL 15 major and minor keys. "Yes, Virginia there are 15 keys."

In music, it is important to learn and recognize the key signature for C Major and A Minor. These two keys have corresponding major and natural minor scales, along with basic ukulele chords that can be used with each scale. The key of C Major, also known as the learning key, is particularly easy to memorize and start using.

Sometimes called the “learning key,” the key of C major is one of the easiest keys to memorize and begin using. C major (often just C or key of C) is a musical major scale based on C, with pitches C D E F G A B C. Its key signature has no flats or sharps. Its relative minor is A minor: A B C D E F G A B r, and its parallel minor is C minor: C D E F G Ab Bb C D Eb.

Basic and Quick Change blues chord progressions in the key of C major using the core 7th chords from the Big Six series of lessons. This is a great way to explore this core chord in various keys. These are the two most common blues progressions used in traditional and contemporary music.

Called the "learning scale" for a reason. The major scale is a great scale for learning how music and chords work. It’s a core scale from which a majority of your core, essential scales can be derived. There are 15 major scales.

Traditional key signatures provide a wealth of information that can enhance our understanding of music and its underlying principles.

Sequences and cycles for practicing scales, intervals, melodic sequences and arpeggios.

In this comprehensive Series of Lesson (Series), we delve into all 15 major and relative minor keys, exploring their primary and secondary chords, along with sample common chord progressions.