Listen to Nothing Has Been Proved (Demo for Dusty) [2018 Remaster] online. Nothing Has Been Proved (Demo for Dusty) [2018 Remaster] is an English language song and is sung by Pet Shop Boys. Nothing Has Been Proved (Demo for Dusty) [2018 Remaster], from the album Introspective: Further Listening 1988 - 1989 (2018 Remaster), was released in the year 1988. The duration of the song is 4:51. Download English songs online from JioSaavn.