The performance patch is one of the most important patches, you won't need any further CC handling.
For the most important patches you'll generally need to set up CC1 for making your choice of articulation, for example: espressivo > molto espressivo > vertical vibrato.
See this pdf for a full overview.
CC2 is used in some chord patches for down-up stroke, or just forcing only down or up.
CC3 is used to customize the attack in some patches.