Celina High School students Eric Mohler, Trevor Smith and Andrew Bair practice their parts as the cowardly lion, scarecrow and tin man during rehearsal of the school's musical production of "The Wizard of Oz." Shows are 7 p.m. Thursday, 8 p.m. Friday and Saturday, 3 p.m. Sunday, 8 p.m. April 16 and 17 and 3 p.m. April 18. Tickets, costing $8 each, can be purchased by calling 419-586-1494.