Complex sentence: The film's director, Hugh Hudson, invited Vangelis after becoming impressed with his albums "Opera Sauvage" and "China" and having worked with Vangelis on commercials in Paris during the 1970's.
Split into simpler sentences: The film's director, Hugh Hudson, invited Vangelis after becoming impressed with his albums "Opera Sauvage" and "China". Having worked with Vangelis on commercials in Paris during the 1970's.