Rap artist Jon Hope stopped by the Underground to perform his song ''Mother Mary'' and give us his perspective on Hip Hop. Tell us what you think! Email us at Underground@Billboard.com. You can als

Rap artist Jon Hope stopped by the Underground to perform his song ''Mother Mary'' and give us his perspective on Hip Hop. Tell us what you think! Email us at Underground@Billboard.com. You can also email Danielle Flora at Danielle@Billboard.com.