http://paragon-wow.com/

This boss has a special sound mechanic. You get a sound circle and if that fills up, the boss kills you. It's reseted by the gongs on the side. The actual damage is minor so it's more important to avoid getting more sound than healing a lot.

Music:
Brother Firetribe - Going Out With A Bang
Ra - On My Side

UI:
Nugcombobar (holy power tracker)
bartender4
Blizzard raid frames
Powerauras Classic
ag_uf