As an attorney ,you should know the new trend and comprehensive legal issue.There is more popular than ever is the net,many people rely on the net to make money so it got many problems.For example,artist broadcast lively bby the net to crowd,it might happen copyright issues.Copyright belongs to who,who is the author and the licensing problems.Without saying,due to aforemention,agency is quite a tool for artist to use,artist hire agent to deal their employment procurement and book tickets but the most important thing is to engage contract with business owner or sponsors or advertisement company so you might hire an attorney is best.The agent for you not just like assistant ,he or she may  like your legal cousel not only handle legal issues but also other thing. It is a quite good way.