New music: in stores and online, April 20

New music: in stores and online

Post-hardcore Philly quintet Circa Survive (pictured) make a fine showing on their major-label debut, and Canadian electronic artist Caribou follows up his Polaris Music Prize-winning previous album with a four-star effort—Metromix has full reviews of this week's biggest releases (listed below), as well as quick takes on fresh LPs from the likes of Sevendust, the Apples in Stereo, Cypress Hill, Rufus Wainwright, Kate Nash, Willie Nelson and more, inside the photo gallery.—Keith N. Dusenberry, Special to Metromix

Circa Survive, 'Blue Sky Noise'

Caribou, 'Swim'

Which of this week's releases are on your must-hear list? Tell us in the comments section.