Session notes: how "bad guy" was built in a bedroom, from what Finneas has said in public
A reconstruction of how Billie Eilish and Finneas made "bad guy", built only from Finneas's own public interviews in Mix and on the Billboard Chart Beat podcast: the room, the gear, the order things happened in, and what a home producer can take from it. Sources read on 27 Oct 2026.
Workflows