Tyrannosaurus Chicken brings its singular psyche/blues/trance rock to Stickyz, 9:30 p.m., $6.
The 10th Annual Mud Run is at Two Rivers Park, 9 a.m., $25-$35.
For some virtuosic six-string playing, don't miss Artistry of the Guitar, Afterthought, 9 p.m., $10.
Discovery throws down, Halloween-style, with Lawler, Ewell, Sleepy and JMZ Dean, plus Dominique Sanchez and The Discovery Dolls, $8 adv., $10 d.o.s. before midnight, $15 after midnight.
Cowpunkers The P-47s are at Reno's, 9 p.m.