Butler County students preparing for their roles in Pittsburgh Musical Theatre's production of "Seussical, the Musical" are, front from left, Brady Patsy, Lyric Ackelson and Nicole Uram, and top, Matt Marcucci and Hannah Lamberto. The show opens tonight and runs through Sunday at the New Hazlett Theater, Allegheny Square East. Curtain is at 7:30 p.m. tonight through Saturday and at 2 p.m. Sunday. Tickets range from $5 to $15 in advance and from $10 to $20 at the door. Call 412-539-0900.