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Colombian singer Juanes, wearing a T-shirt that reads in Spanish "Life without guns is a another story" raises his fist during a concert in the Comuna 13 district of Medellin, Colombia, Tuesday Sept. 21, 2010. Juanes joined local artists in concert to ask for peace in the neighborhood ridden by gang violence. (AP Photo/Luis Benavides)

Colombian singer Juanes, wearing a T-shirt that reads in Spanish "Life without guns is a another story" raises his fist during a concert in the Comuna 13 district of Medellin, Colombia, Tuesday Sept. 21, 2010. Juanes joined local artists in concert to ask for peace in the neighborhood ridden by gang violence.

Performers: Juanes

Colombian singer-songwriter Juanes will be performing at the Decade of Difference concert on October 15 and proving why he has been honored with more Latin Grammy Awards than any other artist.