orientation of RC-1
Unless your first image was from the floor up, you need to orient the RC-1 so that the connection lip is on the bottom. The wallboard then attaches to the wider flange and pulls the wallboard away from the stud. Otherwise your wallboard will push push the RC-1 into the framing and compromise the decoupling.
Jeff Hedback www.HdAcoustics.net
BTW, johndykstra makes great music. Check it out.