"DK Rap" composed by Grant Kirkhope for Donkey Kong 64, arranged by Hirokazu Ando and performed by James W. Norwood Jr. for Super Smash Bros. Melee
Curator's Note: This is mostly an excuse to share a quote from Sakurai I found reading this old entry from the Melee website's "Melee Music Developer Roundtable" series while looking for something else, about the vocalist:
