“Recorded three years ago in Aljezur, Portugal, during an arts residency, Grouper's new song "Call Across Rooms" reeks of isolation. This time around, Liz Harris doesn't even have her reverb pedals to keep her company; it's just her voice and an upright piano, both recorded onto a portable 4-track through the same microphone. The music probes the edges of the room like sonar as Harris threads piano”