Percussions skill
Percussions is trained by playing percussion-type musical instruments.
This skill is learned by playing upon percussion instruments, ie: tambourines, bones and drums.
Some instruments require tools to be played, ie: bodhrans require tippers, drums require sticks.
Bards use percussion instruments to play certain Enchantes and their skill with the instrument can affect their ability to perform the enchante properly.
Percussion instruments may also be played just to be played, and there are several mood and tone options available. Bards have extra options available to them for playing instruments that are not available to other guilds.
Any guild may learn this skill simply by playing a percussion instrument, however aside from use as a general lore skill it has no practical application outside of the Bard guild.
Instruments
Percussion instruments are played by striking, scraping or shaking them. Some require special tools such as tippers to play, while others are simple enough to play in one hand. Similarly, some have skins that require tuning and can be broken, necessitating replacement before playing again.
Percussion Instruments by Difficulty
From this post.