Forum:Finding the Katraasii Droid Ballet Studio in Mysteries of the Sith

I have been playing this game since 1998, and I only recently found out about the Katraasii Droid Ballet Studio on Wookieepedia. All it says is that you find it by following "a particularly slow-moving droid through the streets of Katraasii." I need a little more than that.

First of all, which Katraasii mission does this take place in? What kind of droid is it and where do I find it initially?