Mattie Montgomery, former lead singer of hardcore band For Today, knows a thing or two about rough missions fields. After years of evangelizing the metal scene, his ministry Awakening Evangelism is equipping ordinary believers to go out and live the Great Commission. Mattie discusses his heart for evangelism, his advice to the next generation and his unlikely friendship with revivalist Dutch Sheets. Listen to Mattie's exclusive, unedited interview with Jessilyn Justice, Charisma's online news director. The interview is part of our ongoing series "New Year, New Voices," which spotlights up and coming young leaders in the charismatic movement.