Input (grade 6): Arlo Davy Guthrie (born July 10, 1947) is an American folk singer. Like his father, Woody Guthrie, Arlo often sings songs of protest against social injustice.
Output (grade 10): Arlo Guthrie (born 1947) is an American musician and songwriter, and is the son of folk music legend Woody Guthrie.