It goes without saying that Aerosmith has become a class act over the years, and that's very true because of both Steven Tyler and Joe Perry. The two teamed up with a children's choir from around the Boston area and performed "Dream On" in tribute of the Boston Marathon and those who lost their lives this time last year. Check it out here.

The video, in conjunction with ESPN, shows not only the performers, but multiple runners in the Boston Marathon, including a few pictures from some of those who tragically lost their lives in the bombing of the marathon last spring.

Take a minute and watch this today...

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