We won't really see until in retrospect. Something that today is "some little thing that one band does" may turn into something that gets seen as a whole genre

We won't really see until in retrospect. Something that today is "some little thing that one band does" may turn into something that gets seen as a whole genre tomorrow. Case in point: I recently listened to "Tracks and Traces", a compilation of things Brian Eno did with Harmonia in 1976. It IS "post-rock". You could slip some tracks from that album onto Mogwai's albums from the 2000s, and you would hardly notice something is amiss. And you know it wasn't a direct influence, because the recordings were only released 30 years later.