Set lists are tough because you come up with this structure of how the songs are going to go from one to the next, but at the same time, you have to be spontaneous and take requests and change the set list at the drop of a hat. ↗
The arts, as a reflection of human existence at its highest, have always and spontaneously lived up to this demand of plenitude. No mature style of art in any culture has ever been simple. ↗