Yep. I’d say, most of them do, because ‘riffing’ is my version of sketching or ‘

Yep. I’d say, most of them do, because ‘riffing’ is my version of sketching or ‘mathing’ increases in precision. And as you’ve been around for years, and contributed yourself, it can take a very long time, and a lot of ‘sketches’ for every incremental gain in precision.