Even ABBA had multiple vocal tracks mixed together, with subtle phase/pitch effects done with tape, to achieve richer/fuller/sparkling sound. Meanwhile, breakd

Even ABBA had multiple vocal tracks mixed together, with subtle phase/pitch effects done with tape, to achieve richer/fuller/sparkling sound. Meanwhile, breakdowns of Billie Eilish mixes show that Finneas, the producer, is using mostly techniques in principle reproducible on tape. Today's equipment and DAWs save time and space, but they are not what is creating the magic. It's easy to see.