Exploring Improvisation Using Tetrachords
Published: 01 Jan 2003 Updated: 01 Jan 2003 • Visits: 139 • Code: UL115
Traditionally, a tetrachord is a series of four tones filling in the interval of a perfect fourth. In modern usage a tetrachord is any four-note segment of a scale or tone row including the augmented fourth (+4). The term tetrachord derives from ancient Greek music theory, it literally means four strings.
When exploring improvisation utilizing this smaller module of four notes - the Tetrachord vs. a more traditional scale approach, improvisation becomes a bit more manageable.
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3 Lessons in the “Exploring Improvisation Using Tetrachords” Series
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