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.
What music did Depeche Mode make for Music for the Masses?
In making the album, Depeche Mode largely eschewed sampling in favour of synthesizer experimentation.
Did any of these Depeche Mode Music for the Masses' singles chart?
The singles Strangelove, Never Let Me Down Again and Behind the Wheel  charted well in countries such as Canada, Brazil, West Germany, South Africa, Sweden and Switzerland.
Did Depeche Mode go on tour for the album Music for the Masses?
Depeche Mode's The Music for the Masses Tour began 22 October 1987.

Question: what was the 101?
Self-contained rewrite: What was Depeche Mode's 101?