PROVIDENCE — For Mike Marrow, music is life. The 31-year-old Providence man tried for years to break into the hip-hop scene, even going on a few tours as an opening act. But when he realized that his days of trying to make it big were done, he turned his attention toward the next generation of budding artists.Together with his brother, he set up a YouTube channel called Hip Hop is Life — recording scenes at local shows and giving young rappers a [...]