Not sure how reliable Wikipedia is but looks like Adam's Initial Audition in San Franscisco...he had mentioned The Cow Palace so that's the right venue location.....was on July 17, 2008
en.wikipedia.org/wiki/American_Idol_(season_8)Regional auditions
Auditions began July 17 the previous year, and were held in the following cities:[12]
Episode Air Date Audition City Date First Audition Venue Callback Date Callback Venue Golden Tickets
January 13, 2009 Phoenix, Arizona July 25, 2008 Jobing.com Arena, Glendale September 2008 The Boulders, Scottsdale 27
January 14, 2009 Kansas City, Missouri August 8, 2008 Kemper Arena October 5, 2008 Firestone Building[13] 27
January 20, 2009 San Francisco, California July 17, 2008 Cow Palace[14] September 13, 2008 Westin St. Francis 12
January 21, 2009 Louisville, Kentucky July 21, 2008 Freedom Hall September 7–8, 2008 Churchill Downs[15] 19
January 27, 2009 Jacksonville, Florida August 13, 2008 Jacksonville Veterans
Memorial Arena September 3, 2008 Amelia Island Plantation[16] 16
January 28, 2009 Salt Lake City, Utah July 29, 2008 EnergySolutions Arena September 18–19, 2008 Wells Fargo Center 13
January 29, 2009 New York City, New York August 19, 2008 Izod Center, East Rutherford August 26, 2008 Chelsea Piers, New York[17] 26
San Juan, Puerto Rico August 2, 2008 Coliseo de Puerto Rico September 2008 Conrad San Juan Condado Plaza 9
Total Tickets to Hollywood 149