Garth Brooks will perform at the Dream Concert in honor of Martin Luther King Jr. at Radio City Music Hall in New York City on Tuesday night (Sept. 18). The concert supports the completion of Dr. King's Memorial on the National Mall in Washington, D.C. Other musicians on the lineup include Stevie Wonder, Aretha Franklin, Carlos Santana, Queen Latifah, Joss Stone, Kenny "Babyface" Edmonds, Robin Thicke, John Legend, Ryan Shaw and Miri Ben-Ari. In addition, Viacom has pledged $1 million in cash and more than $500,000 in media value, bringing the Memorial Foundation's total to $82 million of the $100 million needed.