[abhpro]

Almost none of what you said is true. Same scale? Tempo? Same beat? You think artists are just all using the same instrumental track?

And yes it can do odd time signatures. It can do all sorts of genres like art pop, cinematic scores, ambient, math rock, avant garde, baroque, etc.

[rootlocus]

There's a surprising number of pop songs that use the same or close to the same chord progression.