This happened ages ago, back when Amdapor Keep(HM) was in the Expert Roulette, but I saw I still had it saved from back when I was showing other people what had happened so I edited the names out and decided to post it here. This was frustrating to the point that I almost began to doubt myself because his little healer buddy was on his side and the tank just made a scoffing remark that was incredibly stupid.
(The initial comments about Paeon being for scrubs I overlooked. I had assumed he was just a loudmouth that was bragging about our amazing and mutual TP conservation abilities until he brought it up again later).
So I am assuming he didn't notice that he had a damage reduction when using it, I am still unsure as to just why he couldn't have used the song on his own if he needed it that badly - outside of using any excuse to exercise his amazing (though incorrect) knowledge of the class over us other, plebeian Bards -, and I am guessing that he was so blinded by his own awesomeness that he forgot how to manage TP or realise that Invigorate was a thing.
Even though the Tank only said one thing, it's sheer stupidity got on my nerves. At the time I felt like commenting that maybe I should just avoid using damage buffs altogether too, since apparently even mentioning a Bard's damage is a joke in itself.