Heavy Metal PHILIP ANSELMO: ‘What Is Underground Will Perhaps Be Mainstream One Day’ March 8, 2010 Atomm Leave a comment ARTISTdirect.com editor Rick Florino recently conducted an interview with DOWN/ex-PANTERA singer Philip Anselmo.Source ARTISTdirect.com editor Rick Florino recently conducted an interview with DOWN/ex-PANTERA singer Philip Anselmo.Source