While I was looking that up, look what I found-
http://www.fohguild.org/forums/mmorp...rumors-15.html
"So seeing how mage and druid DS do not stack, you casted mage DS than used the bard (druid) clicky version and than overwrote that with the real druid version leaving the mage version there and than reapply the bard actual song version for 3 dam shields. You could take it even farther but you get the idea.
Worked on wep procs also, on tough to slow mobs chanter would tash and than bard would use tash stick and double stick it.
Worked with most any right click items or procs when used by bards.
I remember our first roy kill, the shaman and chanters just could not slow roy no matter what we tried and we kept wiping. Finally I pulled out my truncheon of Doom and tanked him the whole fight with my trunch while keeping him slowed from procs. When I called "Roy Slowed" in chat everyone was like WTF..."