Thunder Rider is the comeback album by German heavy metal band Majesty. It was released on January 4, 2013, through Noiseart Records in both standard and deluxe editions. The deluxe edition included an additional DVD which contained a documentary titled Metal Union. The DVD features interviews with bands and journalists and tries to unveil the secret of heavy metal music. The song, "Metal Union", which concludes the album is a musical conversion of this topic. It features guest appearances by Sven D´Anna (Wizard), Hannes Braun (Kissin´ Dynamite), Mat Sinner (Primal Fear / Sinner), Patrick Fuchs (Ross The Boss), Andreas Babushkin (Paragon) and Marta Gabriel (Crystal Viper).