The productions of electronic mood music figure Curd Duca look back to the late-'60s dawn of popular synthesizer music, the age of Wendy Carlos' classical-synth fusions and studio producers who experimented with computer music by yoking it to pop pieces. Duca's been in the music business since the early '80s, originally playing keyboards for the German groups Auch Wenn Es Seltsam Klingen Mag and 8 Oder 9 -- the latter released a half-dozen LPs during the '80s. In 1992, he recorded his solo debut, Easy Listening, the first in what became a five-volume series on Normal Records t...