Dropkick Murphys performed two songs, “The State of Massachusetts” and “I’m Shipping up to Boston,” last night on The Late Show with David Letterman. The Boston natives are currently on tour in support of their latest album The Meanest of Times.

[Watch: "I'm Shipping up to Boston"]

In related late night news, Conan O’Brien, still without writers, spent his free time playing with lasers during last night’s show. I guess Rock Band got boring…

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TAGGED AS: Dropkick Murphys