magic in general, the ability to pull a nigh unlimited powersource from the air would revolutionize the world as we know it. unlimited energy yeilds unlimited acceleration and teleportation of mater has already been theroized as to how it can be done, but the energy requirements are astronomical.
That power already exists. Plenty of music around that does make people run faster, punch harder, etc. And there is music that can mesmerize. And of course plenty of music that can make you feel sick. Or stupid. Or both (hail, JustinBieber!)
It's been well-known for a while that there's a quest where you hand in diamonds, that can improve faction...
