A fair bit of this going on at the moment and seen reference made to it in one or two posts in other threads. Watched one or two "DJ's" and must admit to wondering whether they've ever ventured out into the real world to see how it's properly done, but in fairness they have been in the minority. Also, nobody in their 50's 60's should be inflicting 'Dad dancing' on their audience.. On the upside, I have really enjoyed those who have taken the opportunity to mix tempos and play some good