Woody Guthrie in Will Geer's apartment. Guthrie made his first recordings—several hours of conversation and songs recorded by the folklorist Alan Lomax for the Library of Congress—as well as an album, "Dust Bowl Ballads," for Victor Records in Camden, New Jersey. In February 1940 he wrote his most famous song, "This Land Is Your Land", as a response to what he felt was an overplaying of Irving Berlin's "God Bless America" on the radio. Guthrie thought the lyrics were unrealistic and complacent. He adapted the melody from an old gospel song, "Oh My Loving Brother", which had been adapted by the country
God Bless the U.S.A. way of boosting morale. The popularity of the song rose sharply after the September 11 attacks and during the 2003 invasion of Iraq, and the song was re-released as a single, re-entering the country music charts at No. 16 and peaking at No. 16 on the "Billboard" Hot 100 pop chart in 2001. The song was also re-recorded in 2003 and released as "God Bless the U.S.A. 2003". Greenwood also wrote a Canadian version of this song called "God Bless You Canada". The song has sold over a million copies in the United States by July 2015. Greenwood wrote "God