In the middle of a two-night run at The Anthem in Washington D.C., English experimental rockers alt-J stopped by Stages Music Arts in Maryland to record a few songs and an interview for 89.7 WTMD.

This is a stripped down version of "Interlude 1" and "Tessellate" from alt-J's 2012 breakout album, "An Awesome Wave."

Recorded and mixed by Dave Nachodsky. Video by Julia Golonka.

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