Chord Inversion

A chord inversion rearranges the order of notes so that a note other than the root occupies the lowest pitch. This technique is fundamental to voice leading, harmonic variety, and bass‑line movement across many musical styles.

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Binary form

Binary form is a musical structure consisting of two contrasting sections, labeled A and B, which are usually repeated. It was a dominant form in Baroque keyboard and dance music and continues to appear in various genres today.

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Bebop Scale

The bebop scale is a eight‑note (octatonic) scale derived from the major or dominant scale by adding a chromatic passing tone. It is a fundamental tool for jazz improvisation, creating melodic lines that fit smoothly over fast‑moving chord changes.

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Whole Tone Scale

The whole tone scale is a six‑note, symmetrical scale built entirely of whole‑step intervals. It creates an ambiguous, dream‑like sound and is used in classical impressionism, jazz, and contemporary music.

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Minor second

The minor second is the smallest interval in the standard Western twelve‑tone system, spanning one semitone. It is a highly dissonant interval used for expressive tension in melody, harmony, and orchestration.

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Waltz (Form)

The waltz is a triple‑meter dance form that emerged in the late 18th century and became a staple of both ballroom and concert music. Its characteristic one‑beat‑accented rhythm and rounded phrasing have made it a recurring structure in classical, popular, and film scores.

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