I have a queen angel and 2 moony angels, dragonet, clown, gobie, psuedo chromis and just introduced a Naso tang.
The only fish which gave me an issue was the psuedo chromis being agressive. After adding the tang, the queen accepted that fish with no hostility, but instead with a fin wave and they are buddies. Since I added that tang, all the fish now swim in groups around the water column, where as before they stayed in their own respective areas. I was pleased with this result as there is now peace in the aquarium, except the chromis where it is still anti social...