Blue Scholars is playing tonight at The Waiting Room. I bring it up only because they're one of my favorite touring indie hip-hop acts. I'm painfully discerning when it comes to hip-hop. There are only a handful of hip-hop recordings that I have in my collection. Beyond the usual staples (NWA, Public Enemy, Beasties) there's Danger Mouse, Evil Tambourines and a slew of Blue Scholars CDs. I know nothing about the rest of the bill, which includes headliner Hieroglyphics, Musab, Tonya Morgan and Knowbody. 9 p.m. $15. Also tonight, classic '90s Omaha punk band Cordial Spew opens for Red City Radio and Bent Left at The Saddle Creek Bar. 9 p.m., free.

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