Personally, I've found one of the more stimulating ways of playing in recent times has been to kind of move outside the free improvised area and work with people who are probably improvisers but they have a particular way of working.
“Start with a clean grill. Keep it clean by brushing with a wire brush after preheating, and again after cooking. Make sure to oil your grates and your food before putting it on the grill to keep it from sticking.”
“I think the last one would have to be The Godfather because it was such a powerful story. There was lots of violence in it but I could take it because I thought there was a reality to it. It wasn't gratuitous, it was just these guys' story.”