One evening, as rain hammered the roof, Jonas opened a beaten notebook and began to write lyrics around a loop called “TrainWindow.” The words came fast: a traveler who keeps packing invisible suitcases, a city that forgets names, a radio that plays only advertisements for lives you almost lived. He recorded a scratch vocal into his laptop’s mic, rough and awkward, but the truth of it made his chest ache. When he layered the vocal with a field-recorded street ambience and a cello sample from Vol. 14, the song stopped being a practice exercise; it became a small, fierce confession.