How much feeling can fit inside a Greg Mendez song? On “Frog,” from his new album, Beauty Land , he shows us. Here is every word he sings in it: “Please forgive me for my faults.” His voice never rises above a hum. It’s over in 73 seconds, but I haven’t felt so harrowed by 73 consecutive seconds of music all year. How much life and detail can fit inside a Greg Mendez song? “I pretend your garden’s full of flowers every morning/They forgive me for the things I’ve done and the things I will become when I’m angry,” he begins on “Sunsick”—within the space of one breath, he’s situated us in a haunted landscape, a house, while Mendez unpacks the groceries, looks around, and realizes there is “no one else I have to blame” for this massive, human-sized loss. He sits alone, absorbing the hammer blow of his guilt and his total alienation within it. (That one maxes out the clock at 145 seconds.) No score yet, be the first to add.…