Multitrack drum recording with click track. Before editing.

Drums Example 1 (before)

The same multitrack drums, pocketed by hand.

Drums Example 1 (after)

Here's a piece of the same drum recording. I've done a quick mix and fattened up the drum sounds with samples. 

Courtesy of Lyman Insley and Mourning Morning

Before and after examples of pocketing instruments in a multitrack recording.