Don't know about a song, but here's the Theory:
Ok, the Dino medals react to Eiji wanting to save the World. Ankh tries to stop him after he warned Eiji about the combo numerous times, but Eiji activates it anyway and turns into ToTeraNo Zauru.
He fights the Yummy Giru, made from Dr. Maki but staggers a little due to the combo's extreme power. But, he pulls himself together and finally kills the Yummy. But before he can proceed to defeat Giru, he goes berserk from using the combo for too long. This is where the giant transformation for this combo comes into play, as Eiji goes on a rampage across the city. Now, Ankh has to think of something to stop Eiji before he ends up destroying the world.
Now, somehow this crisis is solved and after Eiji sees the damage he's done to the people. He makes a decision to give up being OOO seeing as he caused harm to people when he wanted to protect them. Even after Ankh tries to talk him out of it, Eiji makes up his mind and tosses away the OOO driver for good. Though, he'll get it back at one point and continue being OOO for someone or something bringing him to his senses to protect again.
So, what do you all think?