Ravex in Tezuka World is a 2009 18-minute animeshort film by Japanese band Ravex. It was featured in the album Trax, celebrating the 20th anniversary of Avex as well as the 80th birthday of Osamu Tezuka.
Plot
As "another story" set after the end of the original manga, the plot starts after Astro is found on an asteroid after his final act to save Earth (shown in the 1960s anime). The robot boy is rescued by the three members of Ravex, and he is miraculously revived by "Space Jack". The newly revived robot is named "Ratom" - built by combining Rock with Astro, and equipped with the power of music.