1. So bad you put it on mute
  2. You had high expectations and were disappointed
    Static
  3. Exceeded your desires for excellence
    Static
  4. A band that's new to you/changed your life/expanded your horizons
    Static
  5. It totally clicks and you get why these people are legends
    Static
    Particularly Bruce Springsteen since I had basically never heard his music or seen him perform outside of SNL.
    Suggested by @Boogie
  6. You realize you are too old to understand the gimmick
    Static
    Thanks Sia.
    Suggested by @Boogie
  7. Disney kid grew up
    Static
    Miley, Selena, Demi, Nick Jonas
    Suggested by @Boogie
  8. Whatever this was, in 2001
    Static
    Kylie in a plain outfit, voguing dudes behind her with one regular pant leg and one split leg. (It re-aired Saturday night and brought the lulz fashion-wise!)
    Suggested by @jhope71