Mastodon may not be as crushingly gorgeous as ISIS or as time-signature-challenging as Meshuggah, but the Atlanta band’s recent Grammy nomination proved that its chugging metal appeals to a wider audience — from straight-up Slayer fans to arms-crossed hipsters. That may explain the current lineup of Mastodon’s seemingly disparate tourmates: Fat Wreck Chords’ folk-punk Against Me!, arty indie-rockers Cursive, and ISIS’ little cousins Planes Mistaken for Stars. Catch this transcendental rock show on Wednesday, May 2 at the Warfield in SF. 7 p.m., $25. Ticketmaster.com
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