Provocation is the art of using your lute to incite anger, Simply target the beast you wish to incite and then the target you wish for them to attack.
This skill can be raised above a level of GM up to 120 through the use of power scrolls.
It is always recommend to train any skill from an appropriate NPC before attempting to master it. For bardic training seek out your cities local conservatory of music.
Once you have attained a novice level of skill in Provocation you will need to seek out harder and harder creatures to incense.
One of the tougher skills in UO: Invictus to train, let alone macro. Finding obstacles, ledges or fences that separate you from your targets will go a long way in successfully training this skill safely.