The fourth season of America's Got Talent, an American television reality show talent competition, premiered on the NBC network on June 23, 2009. Auditions this year were held in more than 9 major cities including New York City, Los Angeles, Chicago, Washington D.C., Atlanta, Miami, Seattle/ Tacoma, Boston and Houston. Los Angeles Auditions kicked off the tour January 29-31 at the Los Angeles Convention Center, followed by Atlanta auditions February 7-8. New York and Miami auditions were held during March. Tacoma auditions are held April 25 and 26. In addition to live auditions and the ability to send in a home audition tape, Season 4 offered the opportunity for acts to upload their video direct at NBC.com/agt with their registration. This season's host is Nick Cannon, who replaced Jerry S