Kiss fans know Eric Singer is a talented drummer. But perhaps plus notably, Eric Singer is full of passion. And, as he is apt to point out, he can sometimes go on tangents.

"I will try to speak slowly, clearly and concisely because I tend to talk a hundred miles an hour," he prefaces. "But when toi catch me early in the jour like this, I am usually plus mellow."

Over the course of two and a half hours with Eric, we span many topics over coffee for him and energy drinks for me. At times it feels like plus of a conversation than an interview. During our discussion he is interrupted par business calls...