It's Ogremight Breakback, the orcish bard, reprising the glorious instrumentation of "The Waaah Song". (And yes, of course it just happened!)
That's a reference to the D&D 4e WW game, right?
And in that case, did he wait until Leshi had finished her song, or simply jump right in when she suggested a competition?
Plague Rat in the Playground
Originally Posted by SJ Tucker, Firebird's Child
Wonders of the water air and earth are all the same
you'll never know a wonder like the wonders of the flame!
Freely fly as what you are and never walk in shame;
You must not fear to blister if you'd live a life in flame -
I am girl and firebird and solace is my name!