Wikipedia defines "Jazz" as a musical art form which originated at the beginning of the 20th century in African American communities in the Southern United States from a confluence of African and European music traditions. The style's West African pedigree is evident in its use of blue notes, improvisation, polyrhythms, syncopation, and the swung note.

There are two approaches when learning a musical instrument like the ukulele or guitar. The first approach and one that is very popular with the ukulele goes right along with its easy to play reputation. This approach uses songs to learn the ukulele. A second approach is to learn what would be consider the the basics before working with songs.

Beyond learning basic Ukulele chords, most players struggle with advanced chords. Commonly called "jazz" chords, these more sophisticated voicings find a wide use in all forms of music. A Guide to Advanced Chords for Ukulele - presents a highly organized and efficient approach to the mysterious subject of advanced chords. Chord dictionaries are not the answer.

Exploring jazz chords using a variety of common chord progressions based on songs from the standard jazz repertoire. Core Chords are the basic set of chords needed to play a wide range of music, in a variety of styles. This set of chords includes basic open position chords, basic movable form chords and the core 4-part "jazz" chords.

Harmonic Analysis is the understanding of the functional sequence of chords. It is the process used to analyze the harmonic structure of a progression, song or composition. This analysis is then used to make scale selections for improvisation and chord substitution.

Finally, learn the names of the notes of the fingerboard. Learning the notes of your instrument allows you the flexibility of not having to remember so many shapes. There are simply way too many chords, scale and notes patterns, and shapes to remember. It all comes down the notes.