HipHop Collect sponsors a live DJ performing on the UA Mall stage area from noon to 1 p.m.

ASUA and UAB sponsor a Battle of the Bands on the UA Mall from 5 p.m. to 7 p.m. Five bands will each get about 20 minutes to perform.

Dr. William Dantzler will give a seminar on "New Insights Into the Function and Structure of the Thin Limbs of Henle's Loop In the Mammilian Renal Inner Medulla" at 4 p.m. in the Life Sciences building, Room 452.

The Arizona Repertory Theatre holds a preview performance of Rodgers and Hammerstein's classic musical "Oklahoma!" at 7:30 p.m. in the Marroney Theatre. Tickets for the show cost $15.