What is a chord in music?
A chord is the simultaneous sound of two or more musical notes. The most common chord has three notes and is called a triad, made up of a root, a third, and a fifth.
Short answers, pulled from the story.
A chord is the simultaneous sound of two or more musical notes. The most common chord has three notes and is called a triad, made up of a root, a third, and a fifth.
The word derives from the Old French "accord," which became "cord" in Middle English, meaning agreement or harmonious sound. In the 17th century the spelling was changed to "chord" to avoid confusion with the word for rope.
Jean-Philippe Rameau developed the nomenclature for chord inversion that is still in use today. Hugo Riemann later built on Rameau's work to develop the broader concept of functional harmony.
A chord sounds two or more notes simultaneously, while an arpeggio is a broken chord where each note is sounded successively rather than at the same time.
The four basic triad qualities are major, minor, diminished, and augmented. Major and minor chords are determined by the quality of the third above the root, while diminished and augmented chords are defined by the quality of the fifth.
The Nashville Number System is a chord notation shorthand that evolved from Roman numeral analysis in the 20th century. It uses arabic numbers to identify scale degrees, allowing musicians to transpose chord charts without rewriting them.