Listened to the whole thing.
JSR is one of my favorite VGM soundtracks ever, but if it weren't for the title it would just be a generic dj set spinning enough bland music to make you forget the good parts (which take like half an hour to start to appear).
It has almost none of that unique cartoony, whimsical, and catchy hip-hop vibe that made the whole JSR experience so compelling.
B- would not listen again.