In January 2005, Ritchie performed at the inaugural address of reelected president George W. Bush, sparking criticism from conservative groups, due to Ritchie's lyrics. In September, Kid Rock filled in for Johnny Van Zant, the lead singer of Lynyrd Skynyrd, on the band's hit "Sweet Home Alabama" at the Hurricane Katrina benefit concert. In 2007 and 2008, Ritchie toured for the United Service Organizations. Also in 2008, Ritchie recorded and made a music video for the song "Warrior" for a National Guard advertising campaign.