Conversation so far:
What happened in 1987 to Depeche Mode?
Daniel Miller, who had produced Depeche Mode's previous album, Black Celebration, voluntarily stepped away from production duties for this album, citing the growing tension in the studio.
What were some of the alterations made to recording Depeche Mode's Music for the Masses album?
Depeche Mode's 1987 album Music for the Masses saw for the first time a producer not related to Mute Records, Dave Bascombe, called up to assist with recording sessions.

Question: what music did they make?
Self-contained rewrite: What music did Depeche Mode make for Music for the Masses?