According to the Iowa Department of Human Services: The Department of Human Services receives many inquiries each year regarding when a child can be left home alone safely. Iowa law does not define an age that is appropriate for a child to be left alone.
In 2003, the duo released the double album Speakerboxxx/The Love Below, which featured the number one singles Hey Ya! and The Way You Move.. The album would eventually win the Grammy Award for Album of the Year and was certified Diamond by the Recording Industry Association of America.
The chorus is nana na na, nana na na hey hey hey, good bye Origin: From hey, hei, cognate with he, hei, hei, and hej, hey, hei, see heigh. Probably a natural expression, as may be inferred from its presence with similar meaning in many other unrelated languages: for example, Burmese áá±á¸, Finnish hei, Unami hÃ¨, and Mandarin Chinese å, and various sound-alikes as Roman eho, Greek Îµá¼´Î±, Latin eia.