Medical students (from left) Chris Sumey, Michelle Moniz and Andy Zimolzak rehearse Guys and Dolls, which runs at 8 p.m. April 7-8 and at 2 p.m. and 8 p.m. April 15 at Moore Auditorium in the North Building at 4580 Scott Ave. For more information, e-mail Dana Sacco with the School of Medicine Arts Commission at saccod@msnotes.wustl.edu.