Look for "borrowed" chords like A♭ Major or E♭ minor to add that slightly unsettling, emotional edge found in Finneas 's production. Artistic Inspiration

To create a piece inspired by Billie Eilish 's song you can focus on its signature intimate atmosphere, introspective lyrics, and minimalist production. Creative Elements to Incorporate

If you are creating a visual or written piece, consider the imagery from the era: soft beige tones, vintage home videos, and themes of "aging well" despite the weight of the past. Billie Eilish - Getting Older (Piano Tutorial Lesson)

If you are composing, you can follow the song's harmonic structure: B♭ Major. Core Chords: B♭ Major, G minor, C minor, and E♭ Major.