For the few people complaining, what was poor about this exactly? Vocals? On Point. Harmonies? Breathtaking. Arrangement? Perfect. Timing? Exceptional for a song of this intricacy. You Youtube music critics are so funny. If you don't like something it has to be "off" when you can't even pinpoint what's "off" about it other than the fact that you didn't like it. The only flaw about this video is the sound mixing and the too-loud guitar player. The girls did very well and sounded much cleaner than they did at their concerts. I'm not saying fans have to like everything the girls do, but at least have the good taste to recognize when the girls pull off difficult performances instead of nitpicking them to death. It's exhausting.