I can't evaluate the music, really. I have the faint notion that I probably should recognize the song from ... somewhere ... but I couldn't place it. I get that it's a parody of Lean Like a Cholo, but that's not terribly informative to me.
I definitely notice that it's Alliance-biased, instead of the inevitable Horde-flavor you usually get with rap parodies. So that's cool. The video's good stuff and the lyrics feel earnestly written; it was just slapped together because some words have the same number of syllables.
All in all, it's nice to see some belf rap get back in the saddle. My hat's off to Xylan and Soulbound, with a solid nod to Khayllys for the machinima work.
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