The System · Aphrodite's Child 6 6 6 ℗ 1971 Universal International Music B.V. Released on: 1971-01-01 Producer, Associated Performer, Recording Arranger: Vangelis Studio Personnel, Recording Engineer: Roger Roche Studio Personnel, Asst. Recording Engineer: Jean-Claude Conan Author: Costas Ferris Composer: Evangelos Papathanassiou