The are a vocal group composed of Hironobu Kageyama

Hironobu Kageyama

is a Japanese musical artist prominent in the soundtracks for anime, video game, and tokusatsu productions. He is sometimes called Kami by his fans. Kageyama got his big break at age 16, as lead singer of the pop group Lazy. By the early '80s, the band split and Kageyama went solo...

 and Masaaki Endoh

Masaaki Endoh

is a Japanese singer/songwriter who is prominent in the area of soundtracks for anime and tokusatsu productions. He is one of the founders of the anison supergroup JAM Project and has been a regular member ever since its inception in 2000. The group recently celebrated their 10th Anniversary with a...

 as the fictional and , respectively, debuting in 2997 (each year is 1000 years later than the actual date). Together, the Metal Brothers released two full length albums of covers of anime songs and two singles of original songs. They have also performed various original songs for the Super Robot Wars

Super Robot Wars

is a series of tactical role-playing video games produced by Banpresto, which is now a Japanese division of Namco Bandai. The main feature of the franchise is having a story that crosses over several popular mecha anime, manga and video games, allowing characters and mecha from different titles to...

series. The group has not released any more music since the inception of JAM Project

JAM Project

JAM Project is an anime music genre "supergroup" based in Japan, originally founded on July 19, 2000 by famous 1970s theme song artist Ichirou Mizuki...

.

Singles

• "BRAVE HEART" (1998)
  • Used as the opening for

Other songs

• "WONDER GENERATION!" (1998)
  • Insert song in Tetsuwan Tantei Robotack
    Tetsuwan Tantei Robotack
    is a Japanese Tokusatsu television series created and produced by Toei Company. The series is the seventeenth and final installment of the Metal Hero Series and the partial sequel to B-Robo Kabutack. It premiered on March 8, 1998, the week following the finale of B-Robo Kabutack and ended on...
    
    
• "RIDE on DREAM" (1998)
• "Far Away" (1998)
• "MUTEKI Fight it out" (1998)
  • Insert songs in Bakusō Kyōdai Let's & Go!! MAX