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)
Aim for a "whisper-pop" style. Use heavy compression to bring out mouth sounds and breaths for an intimate feel. You can roll off the high-end frequencies to keep the vocals dark and "close" to the listener. Billie Eilish - Getting Older
"Getting Older" deals with the bittersweet reality of maturing, the burden of trauma, and the shift from public perception to private healing. Focus your writing on "the things I'm grateful for" versus "the things that have changed." Musical Framework If you are creating a visual or written