It's the question we all want to know: Will Metallica be debuting any new songs during their headline set at Reading and Leeds Festivals this weekend? We asked festival booker Jon Mac for the lowdown! #KerrangReading15<br /><br />Twitter: http://www.twitter.com/kerrangmagazine<br />Facebook: http://www.facebook.com/kerrangmagazine<br />Instagram: http://instagram.com/kerrangmagazine_<br />Email: feedback@kerrang.com<br /><br />Pick up the latest issue of Kerrang!: http://www.kerrang.com/magazine/
