Full Idea
The aesthetic attitude is defined by Kant in terms of disinterestedness.
Gist of Idea
The aesthetic attitude is a matter of disinterestedness
Source
report of Immanuel Kant (Critique of Judgement I: Aesthetic [1790]) by Richard Wollheim - Art and Its Objects 54
Book Reference
Wollheim,Richard: 'Art and Its Objects' [Penguin 1975], p.146
A Reaction
This is presumably, mainly, to explain our enjoyment of the miseries of tragedy. We just give ourselves up to a merry jig by Haydn.