“The Problem with Invasive Pythons in the United States,” with professor J.D. Willson, sounds like something we should all be thinking about, Clinton School of Public Service, noon, free.

Tyrannosaurus Chicken and The Whiskey Folk Ramblers soundtrack your Friday evening if you go to White Water Tavern, 9:30 p.m.

Rock legends Black Oak Arkansas play at Revolution, with Jocephus and The George Jonestown Massacre and Iron Tongue, 8:30 p.m., $10 adv., $15 day of.

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Alt-rock outfit Stella Luss performs at The Afterthought, 9 p.m., $7.

“Boo at the Zoo” 2013 has trick-or-treating, a hay maze, carnival rides and more, Little Rock Zoo, Oct. 18-20, 9 p.m., $10.

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