There are six artists by the name of Sixth Sense: 1. Sixth Sense, comprised of Eyedea & Abilities was an American rap duo. Eyedea aka Oliver Hart became widely known because of his battle and freestyle skills. Eyedea is best known for his victory at the Blaze Battle, which was aired on HBO, showing some of the best underground battlers in action. Eyedea originally toured with Slug and other Rhymesayers crew. He made the jump from a battle emcee with the release of his first album First Born by joining forces with DJ Abilities.