E ven by the standards of an age in which artists are encouraged to maintain a constant stream of new releases to ensure that they maintain a continual presence in an attention-deficit economy, there’s something pretty startling about Bassvictim’s work rate. Peace + War is the London-based duo’s fourth project in two years: 19 more tracks to add to the 31 they’ve already released since last January.

Cover art for Peace and War.

It’s a lot, but then, reading Bassvictim’s interviews you wonder if they’re simply splurging out material in the knowledge that their time is limited. The duo – Polish singer Maria Manow and Brooklyn-born producer Ike Clateman – really don’t give the impression of a band built for longevity.…