The show, which has seen its recent ratings skyrocket care of its spring lead-in American Idol, is now a pop culture phenomenon, complete with chart-topping music and a hotly anticipated concert tour.

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"Halo 3 has become a pop-culture phenomenon, " said Shane Kim, corporate vice president of Microsoft Game Studios, in a statement.

BBC: NEWS | Technology | Halo 3 sales top ?84m in 24 hours