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Standout Track: No. 4, “Full Flight,” a lengthy post-punk tone poem that shoots off synth bursts and guitar sirens and several menacing bass grooves before settling on a clackety, feedback-laden build. Bassist Dan Caldas and guitarist Jeff Barsky don’t write parts so much as motifs, and accordingly, “Full Flight” is less song than landscape. The immediate sonic touchstone is rhythmic post-hardcore, but the tense-up-and-repeat rubric is all Krautrock.

Musical Motivation: Caldas, 30, says “Full Light” embodies what the band does best: interlocking rhythms and layered guitar sounds. Here, they’re set to economical, sometimes echoey drum-machine beats that could come from a Martin Hannett production. The recording that will be on a forthcoming full-length is the third attempt, and hews closely to the live version. That’s a good thing, Caldas says: “We did a version of it and we had all of this stuff overdubbed—acoustic guitar and some percussion…We did it that way and then we did it slightly slower. Then we listened back and I was like, ‘This kind of sucks.’”

Length Wise: For Caldas, who played in Black Eyes and Horses, Authorization is a bit of a leap. For starters, it’s instrumental-only. “When [Barsky] plays by himself there’s layers and layers of guitar,” says Caldas. Barsky performs as Insect Factory, and is a member of The Plums. “I liked that approach to guitar, and I wanted to combine that with something more song-oriented.” Plus, the compositions are long: “Full Flight” is nearly six minutes; others stretch past seven. Chalk that up to the Krautrock influence, perhaps. “I love Can and Tangerine Dream and Cluster,” Caldas says. “So to me our stuff doesn’t seem so long.”