Been watching these today, they've been fairly interesting overall. Instead of wordy meta-commentary or worthless summary written by bloggers and journalists this is literally artists expressing their thoughts and feelings of the genres and scenes they've become associated with.
The sincerity and overall vibe you get from the musicians of each "genre" varies so much - for example the "post-dubstep" and LA beat scene episodes were pretty positive in tone and coherent whereas the one about tumblrwave actually pissed me off at one point. They included some fucking obnoxious probably trust-bab