Red Sails in the Sunset

"These recordings all have differing relationships to left-wing terrorism. Some were created in a parallel social milieu (Amon Düül, Les Rallizes Denudes) or shared political environment (Ivan Delle Mea, Eugenio Finardi), some condone the violence (Marianne Faithful), some dare to rationalise it (Crisis, Luke Haines) some revel in its eldritch moral ambivalence (SPK, Cabaret Voltaire), at the outer limits some merely tip their hat (Brian Eno, Kosmonautetraum) or, like with the reception of Alan Sorrenti's Figli Delle Stelle its presence is explicit in a refusal of acknowledgment.

It is clear though that music is woven into the fabric. Where any of this is good music depends in some part in the way in which a wholly negative impulse, to kill and maim people in the name of a flawed idea, transforms when that energy is spent in the name of creativity. So for instance the most sympathetic recordings by Crisis and Luke Haines, by merit of their being acts of creativity, rather than violence, turns them into redeemably positive ones."

- Woebot, The Red Armies and Pop 

Fascinating rundown of the relationship of music to commie terror groups of the 60s and 70s.