Original sentence: The 1990 song "Sadeness" (and indeed the entire piece it is a part of, "Principles of Lust"), created by the "musical project" Enigma, is named after the Marquis de Sade, and he is a theme of the song(s)
Edited sentence: The 1990 song "Sadeness (Part I)," created by the "musical project" Enigma, honours and questions Sade's personality and sexual desires