Vocal Coach Reaction to Don't Stop Believin'

Interesting video. I'm not all that familiar with Ken Tamplin, but he makes some interesting points and observations about Perry's vocals on the live track from Houston. Makes you really appreciate the magic and perfection that was happening.
https://www.youtube.com/watch?v=T_QAa08oUpU
https://www.youtube.com/watch?v=T_QAa08oUpU