The discussion of licensing is especially interesting - the philosophy is totally different in this century in regards to the use of songs in other media outlets, whereas with the classic rock acts it can be enormously expensive indeed. I'm always surprised when a film depends on licensed music rather than scoring, for example, because the latter is always a cheaper option. But the former has a wider appeal overall.
But yeah, not surprised to see discussion of mixing on an A/V board; I belong to some technical-based communities like Gearslutz and the SHF and I gotta lotta love for the techies, they're the unsung heroes of the business, IMO.