Hero (Kibō no Uta) / Cha-La Head-Cha-La

 is the twentieth single by Japanese rock band Flow, released on March 20, 2013 as a double A-Side.
Overview.
"Cha-La Head-Cha-La" is a cover of the original opening theme song of "Dragon Ball Z" by Hironobu Kageyama and is used as the theme song for the theatrical film "". "Hero ~Kibō no Uta~" is used as an insert song for the same movie. English-language versions of both songs were used for international releases of the film, with the English version of "Cha-La Head-Cha-La" included on the single as a B-side. "Rising Dragon -DJ Dragon Remix-" is a remix of "Rising Dragon" from Flow's 2004 "Go" single.
"Hero ~Kibō no Uta~ / Cha-La Head-Cha-La" single reached #24 on the Oricon charts and charted for 5 weeks.
Appearances in other media.
"Cha-La Head-Cha-La" was used in the video game "Dragon Ball Xenoverse". It can be heard in the game's intro, main menu, and credits.