Darius Rucker\xa0has reached\xa0the\xa0top of the music charts\xa0in not\xa0just\xa0one\xa0but two genres: first as the lead singer of the\xa01990s band Hootie and the Blowfish, then in a second act as a solo country star. He shares\xa0lessons on following your passion, staying humble, working your way up, and defying stereotypes and expectations. He's the author of a new memoir\xa0Life's Too Short.