At Radio, our staggeringly brilliant online station, we're all about new music. This week, we've added six fresh tunes, making our killer playlist that much more deadly. We kick things off with a double dose of grunge, as two legendary Seattle bands regale us with new jams. Sort of.

First, the much-discussed "reunited Nirvana" -- Paul McCartney, Dave Grohl, Krist Novaselic and Pat Smear -- check in with the sludgy rocker 'Cut Me Some Slack.' No scare quotes needed for Soundgarden, who return with 'By Crooked Steps,' a single from their 'King Animal' comeback album.

Rounding out the list, roots rockers Alabama Shakes implore us to 'Hang Loose,' Americana siblings the Avett Brothers celebrate 'February Seven,' Cali punk lifers Bad Religion declare 'F--- You' and David Byrne and St. Vincent combine their artsy powers on 'Lazarus,' a highlight from their record 'Love This Giant,' an Album of the Year nominee in our first-ever Music Awards.

Hear all six -- as well as hundreds of other essential tracks -- by clicking the link below.

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