Got tired of the constant rear brake ring at low speeds, so I installed a floating rotor. No noise now, but then the instructions say to run it for 300 miles before doing hard stops. While I had the rear wheel broken down, I added some caliper grease. They looked kinda dry and that was probably why the brakes were singing.

Yeah, I should have taken some pictures while doin the work, but I had brake dust all over my hands and didn't want to mess up the DSLR.