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This pattern reflects broader shifts in songwriting styles, production techniques, and perhaps the changing listener preferences.
How and Why Are Key Changes Used?
De La Riva explains that a key change can serve multiple purposes:
To Provide a Musical Lift: Often used at the conclusion of a song, it elevates the energy and emotional impact.
To Change Mood Mid-Song: Introducing modulation mid-way can shift the song's emotional tone or intensity.
He demonstrates this with well-known examples: