Short for “electronic press kit”. This is just a computer or web version of an artist’s publicity material: biography, pictures, showreel, news, etc. There are loads of sites with advice on compiling a good one, including ours.

So You Wanna Make Music and Change The World?
If you want to make music that changes the world, don’t just be the latest kid on the block, the latest rapper in the hood, the latest rocker in the backstreet clubs.