one's own choice of what appeals...why would you want to hang or buy anything that you don't like?
Such a wide field ... The sky splashed with reds and yellows at sunrise .. The written word .. A beautiful person... If art is something that elicits an emotional response then all these and more
Nature. Both the best art and the best music around.
All art forms have their own appeal.
a combination of a visual medium with sound colliding together with precise editing
Art made from pain and anger