Longtime Slashdot reader SpaceGhost writes: Per Engadget, Ms. Eilish and her older brother (Finneas O’Connell) produced her massively popular album When We All Fall Asleep, Where Do We Go? with minimal studio gear out of a bedroom studio in their parents’ house. They used equipment that many aspiring artists could afford (about $1,000 worth of Yamaha monitors for instance, and at…