Pharrell Williams, four time Grammy Award winner, crafting the hit ‘Happy’ that win viral last year.  Pharrell sign on to become a coach for the seventh season of The Voice. The 41 year old replaces Cee Lo Green in the red swivel chair that aired Monday. By, EURweb.com Click for morehttp://blackamericaweb.com/2014/09/18/pharrell-talks-about-the-voice-hes-looking-for/