What is the significance of chord progression in music composition and how does it contribute to the overall structure and emotional impact of a piece?

Chord progression in music composition is important because it creates the harmonic framework of a piece. It helps establish the tonality and mood of the music, guiding the listener through different sections and creating tension and resolution. The choice of chords and their sequence can greatly impact the emotional impact of a piece, evoking feelings of tension, release, sadness, joy, or other emotions. Overall, chord progression plays a crucial role in shaping the structure and emotional depth of a musical composition.