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Update (12/21/2011): The song is called "Invincible" and it can now be purchased.

Earlier this month, Machine Gun Kelly's HTC Rezound commercials premiered. At that time, it was not known if this song had a title and, if so, what it was.

According to a report by Rap Radar, the song is titled "Tears Up." In that story, B.Dot mentions that it is still unclear if the song is exclusive to the commercial or if it will be released.

Thanks for the tip IBN.