It's hard to say exactly because it's fluid. What I'm doing most of the time is the underpainting, akin to paint pouring, splashing of paint, the randomness, in Studio Artist. Then doing the glazing, the tweaking, the finishing strokes as well as adding my chop and a frame in Painter.
Ping lights - Ping is the Ping River than runs through Chiang Mai in Northern Thailand and the lights are the temple lights lit as dusk, or the feel of such, as there's no one temple sketched here. The color is the saffron of monk's robes and sunset.