About the Book
Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Pages: 86. Chapters: Altered chord, Power chord, Tone cluster, Chord names and symbols, Augmented sixth chord, Tristan chord, Tritone substitution, Thirteenth, Jazz chord, Guitar chord, Chord substitution, Barre chord, Picardy third, Neapolitan chord, Extended chord, Hendrix chord, Mystic chord, Triad, Minor chord, Chord-scale system, Eleventh chord, Suspended chord, Ninth chord, Petrushka chord, Borrowed chord, Augmented triad, Upper structure, Harmonic seventh chord, Parallel key, Relative key, Chord chart, Mu chord, Lydian chord, Added tone chord, Block chord, Diminished triad chord, Major chord, All-interval tetrachord, Chromatic mediant, Primary triad, Elektra chord, All-interval twelve-tone chord, Polychord, Predominant chord, Dream Chord, Slash chord, Trichord, Passing chord, Approach chord, Pentachord, Viennese trichord, Tertian, Open chord, Contrast chord, Common chord, Spider chord, Roman numeral analysis, Psalms chord, All-interval hexachord, Klang, Farben chord, Five fret stretch, Secundal, Stab, Mixed-interval chord, Northern lights chord, Subsidiary chord, Complexe sonore. Excerpt: A tone cluster is a musical chord comprising at least three consecutive tones in a scale. Prototypical tone clusters are based on the chromatic scale, and are separated by semitones. For instance, three adjacent piano keys (such as C, C, and D) struck simultaneously produce a tone cluster. Variants of the tone cluster include chords comprising consecutive tones separated diatonically, pentatonically, or microtonally. On the piano, such clusters often involve the simultaneous striking of successive white or black keys. The early years of the twentieth century saw tone clusters elevated to central roles in pioneering works by ragtime artists Jelly Roll Morton and Scott Joplin. In the 1910s, two classical avant-gardists, composer-pianists Leo Ornst...
