That’s just a bunch of various clips of them playing live, edited together, over the audio of the album studio track that somebody did on their own, it’s not “official”. Not created by whatever current record company owns the recordings(I assume it is still Warner Brothers/WEA)for promotional purposes. I see no artifacts that “AI” was used.
There
are photos of guitarist Richie Blackmore noodling on a bass at rehearsal or a recording session, but it’s just that, him messing around, and one live shot that looks like some sort of jam…
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But that one is not DP, or a trio.
This thread is focused on only bands that are trios with two basses, and drums. There are a number of bands/line-ups with more members and two basses, like Ned’s Atomic Dustbin, but those are irrelevant to this discussion.