Classic SOPHIE and A.G. Cook-inspired textures.

Specific you're interested in (SOPHIE, A.G. Cook, BloodPop)?

As "Up and Down" was never officially released on streaming platforms like Spotify or Apple Music, it exists primarily in the "leak" sphere.

Hard-hitting drums that became a staple of her late-2010s sound. Why This Version Matters

The track originally surfaced as part of the XCX World sessions, the ill-fated third studio album that was eventually scrapped after massive leaks. While Charli moved on to Pop 2 and her self-titled album, "Up and Down" survived through various live performances and leaked demos.

For die-hard "Angels" (Charli's fanbase), this specific version represents a bridge between her bubblegum pop roots and the industrial, experimental sound that would eventually define the How I'm Feeling Now era.

The is often cited as a more polished, club-ready take compared to earlier 2016 demos. It features:

Other from that session (like "Taxi" or "Come To My Party")? Detailed production analysis of her hyper-pop sound? Tell me which angle you'd like to explore next!