In the American folk music revival , Woody Guthrie sang and copyrighted a version he called " Gypsy Davy " ( which was later also sung by his son Arlo ) .
Head entity: woody guthrie Q4061 7 8
Tail entity: arlo Q552925 29
Relation (head \u2192 tail): P40
Inverse relation (tail \u2192 head): P22