This could help some good players to push out more uploads.
Examples:

osu!standard:
Lot of Circles (When a certain KPS limit is reached.)
Far Circles (Records when 2 recently spawned circles that are far from eachother are hit.

osu!mania:
Lots of Arrows (Same as Circles, but for mania.)
Vibro (Records when a lot of arrows are in the same lane.)