Sound Liberation’s “Elegy” isn’t so much an album as it is an unbolting of several sonic cages, letting the inhabitants mingle, argue, and eventually, find a strange, compelling harmony. Gene Pritsker and his rotating ensemble are, as ever, on a crusade against the "segregation of sound vibration," and here, their weapon of choice is grief, remembrance, and an absolutely defiant refusal to sit still...

There is a peculiar kind of engine at the heart of "Half Evil" by Tomato Soup, and it runs not on gasoline but on disorientation. The Denver six-piece calls their sound "Motor-Folk," and it fits. The track has the chugging, forward-moving momentum of a vehicle, yet it seems to be driving through a landscape seen in a fever dream, where the signposts are all...