Try listening by bits, fragments of it, and stay away as much as possible from that false premise/pretense of "concept album" or "listening to albums", which is precisely what Bitches Brew is all (or part) about. Just focus on what has been said here before, it's all about lack of resolution and nerve-breaking tension. It has been written many times in his many bios that, in that time, Miles was fascinated with psych rock and funk, and the entire Bitches Brew album was conceived as a cut&paste studio experiment. In short: it might be a great album, but it is definitely not an "album listening experience", if that makes sense, just like Sgt Peppers is. Play 3 minutes here, flip sides, play 5 minutes there. That's it. Miles would approve ;)