When I said "What they want to hear", it doesn't necessarily mean "what they already know". It's more along the lines of anticipating the momentum, and knowing what track (or song, if you're a band) will keep the flow going in the right direction. The ability to read the crowd means you can also judge well what
NEW track they will like even if they've not heard it before.
Again, maybe my experience doesn't apply, this is based on my gigging experience in a band... I don't do any DJ'ing and I don't go to clubs... I'm more a fan of live music.
