Well, this is fun. The eternal dance between agent and promoter is the seedy underbelly of the music industry; it's also the lifeblood, especially in the digital age, where the live show and the T-shirt are worth more than the record. You heard it here first.
Anyhoo, the Internet brings us, inevitably, as it does to all things, to Agent vs. Promoter, a Tumblr in which each post is a statement from either the "Agent" or the "Promoter," and accompanies each with an animated .gif. Some examples:
Dear Agents and Promoters—or Talent Buyers or whatever the Title de Jour is these days—I'm sure you have your own stories/potential entries for Agent vs. Promoter. Please enlighten us/vent your vitriol in the comments section.