Marian Gold of the iconic synth-pop group Alphaville chatted about their upcoming collection “Eternally Yours.” He spoke from his house in Berlin, Germany. “I am really happy to be here,” he said.

Alphaville lead singer Marian Gold is doing something he has done thousands of times before: pacing back and forth during vocal warmup exercises in the backstage bathroom of yet another concert venue.

When Bob Dylan sang “Forever Young” in the early ’70s, he did so in the context of a prayer for a newborn child. It makes sense then that when Alphaville delivered an entirely different song with the ...