Originally Posted by Zeek

I think you found the issue dudesky! I just went to the garage and the squeak was there although not quite as loud as in the video. I worked the e-brake handle up and down a couple of times and the squeak went away. Looks like the brake bands may be touching just enough to set up a vibration that makes the squeak sound like the crystal goblet thing. I do set the e-brake most times when I park although not when the Z is in the garage. I'll keep checking to be sure but I think you have solved the mystery.

Our local Nissan dealer closed their doors a while back so I don't have dealer to stop by for a quick look.