I think I got the first chair
When the music is relatively continuous, non sectional, and/or non repetitive
Answer:
I belive its space from the seven elements
Line, color, shape, form, value, space, and texture are the seven core elements of art and they often overlap and inform one another. if that helps anyways
There is a rule of thumb that you need a tripod if your shutter speed is greater than your lens's focal length: 1/50 for a 50mm lens, or 1/250 for a 250mm lens.
Hope this helps...
