Name Music Video Please. 10 points.?!

I saw this video on tv about a year ago!. in it theres this guy singing with a goetee!. and there are all these kids in a toy store reanacting these battles with silly string and toyguns or something!. then at the end the goetee guy walks outside and salutes a military coffin march or something!. i really would like to know the name and the artist!.Www@Enter-QA@Com

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