Defining OO as based on the use of class hierarchies and virtual functions is also practical in that it provides some guidance as to where OO is likely to be successful. ↗
A lot of the stuff I've accumulated over the last few years of touring I thought was really interesting. Like sounds, sound bites, and beats even, but they weren't good dance beats they weren't ones anyone would want to rap over or anything. ↗
For a London play, rehearsal time would be four weeks for the entire show. In films, I'd spend six weeks on the big dance numbers to get them perfect before the actual shooting. ↗