Keith Urban is an Australian-American musician. He released his self-titled debut in 1991, and many of his studio albums that followed—including Be Here, Defying Gravity, and Ripcord—hit No. 1 on the country charts. He has won Grammy awards for his hits You'll Think of Me, Stupid Boy, Sweet Thing, and 'Til Summer Comes Around. Urban was a judge on American Idol for four seasons. He has also appeared in the documentaries Country: Portraits of an American Sound, Glen Campbell: I'll Be Me, and the series Garth Brooks: The Road I'm On.