The person in charge of delivering fierce beats (aka music) during late night assemblies of party people at clandestine events. These people are usually high on drugs and engaged in "cracktivities" while the Beat Conductor commands the beats to be "fierce."
The usual suspects were hanging out at Maverick's house for afterhours when DeeJay Ferosh's roll kicked in and he grabbed a handful of discosticks and played Beat Conductor on the mixing board.
The mascot of 7chan, Conductor Cat led the masses on their /b/day exodus from 4chan. He and The Fury remain vigilant against the fail that forever threatens 7chan.