Gravitation is the name of more than one artist:
1) an alias of Rubén Moreno Abanades, a Spanish makina and hardcore producer
2) a short-lived rap group that consisted of B Wiz, Duganski, Ragedy Man, Ab-Style and Chino XL.

It may also be an incorrect name for a soundtrack by 浅倉大介 and others. If so then please fix your tags. Read more on Last.fm. User-contributed text is available under the Creative Commons By-SA License; additional terms may apply.