What are the things you find that your audience wants/realizes or appreciates the most in a live performance?

My experience (all venues):

1. Song selection
2. Singing
3. Showmanship
3. Mingling
4. Music ablility (sadly)

Anyone with different opinions?
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Live: PA 3X / 8.2s / Zed 6FX / Blue Encore 300
Studio: PA 3X / HS7s / Zed 8FX / Baby Blue / Tascam DP 03CD