umm.....where in fuck?

does anyone know where to find this music?!!!

a post on march 17 said that the sheet music for "The Siege of Madrigal" can be found in a secret place in Halo. Where in the hell is this music sheet thingy (or is it just part of the soundtrack?) what i'm trying to find out is, is it an actual picture of the sheet music, or is it actually music? i know there are certain other easter eggs in the game, such as the initials on the bottom of Master Chief's boot, but i've never heard something of this caliber. sheet music?! in the GAME?!!! gotta see this. please respond.

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