Split Fiction's Final Level Design and the Metroidvania Inside a Sudoku

Soundtrack: Unpacking — How to place a sound without overplaying it

The music Jeff van Dyck wrote for Unpacking layers acoustic guitar and piano over chiptune with its corners sanded off, and somehow it never overplays. In a puzzle with no failure and no timer, what does the music do, and what does it refuse to do? Black coffee in hand, I, Doremi, take it apart through a lens you can carry back to your own composing.