Track Description Available in: "Hail Mary" is the final single by American rapper 2Pac from his final album The Don Killuminati: The 7 Day Theory. The song features rap verses by Kastro, Young Noble and Yaki Kadafi of The Outlawz and Prince Ital Joe. A music video was shot for the song and can be found on the DualDisc of The Don Killuminati: The 7 Day Theory. It is one of Shakur's most famous singles.