Blood Brothers is the third release from Philly MCs Planetary and Crypt the Warchild, whom are collectively known as Outerspace. The slick production for this album is overseen by Vinnie Paz of Jedi Mind Tricks, serving as the executive producer, with tracks produced by 7L and J-Zone. Outerspace enlist guest rappers Sheek Louch, Vinnie Paz, Royce Da 5'9” and King Syze to bring an eclectic vibe to their blue-collar raps.