Biography
There are multiple artists called Critical.
1. A swedish rapper who sings in swedish and has released a few EP's. He can be found at http://www.criticalrap.com.
Read full biography ↓
2. Estonian (?) hiphop DJ.
3. Portlandian electronic/indie rock band.
4. A Canadian Nu Metal band from Burlington, Ontario.
Biography text from Last.fm, available under CC BY-SA.