Chord progressions are a series of chords played in a specific order that form the harmonic foundation of a piece of music. In Western music, chord progressions typically follow a specific set of rules and conventions that have been developed over centuries. Chord progressions are an important element of songwriting and composition and can create a wide range of emotional and tonal effects.

Scaling refers to the process of adjusting the size or magnitude of something. In music, scaling typically refers to the adjustment of notes in a melody or chord progression to create a different tonal effect. For example, a scale can be played in a higher or lower octave to create a different mood or feeling in a musical piece. Similarly, chords can be played in different inversions or voicings to create different harmonic textures and tonal colors. Scaling can be used to create tension, release, or variation in a musical piece.
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