Retrovirus is the title of a 2013 live album by Lydia Lunch in which she revisits the scene of some of her bloodiest and noisiest crimes and/or greatest hits. It’s also the name of her ongoing group with such simpatico allies as guitarist Weasel Walter (Flying Luttenbachers, Cellular Chaos), jazz-noise bassist Tim Dahl (Child Abuse, Pulverize the Sound) and drummer Bob Bert (Sonic Youth, Pussy Galore). Lunch’s poetry is brutal, unsentimental, dark and scarifying, and her band construct fittingly aggressive soundscapes that summon nightmares as the only way of exorcising past demons and terrors. Retrovirus dig up such disturbed/disturbing Lunch classics as “Mechanical Flattery” and “Burning Skulls” and juxtapose them with apocalyptic covers, such as a very seedy remake of Pere Ubu’s “Final Solution.”

The Echo, 1822 Sunset Blvd., Echo Park; Tues., March 3, 8 p.m.; $17; ages 18 & over. (213) 413-8200,

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