Zach Spicer, The Tribune/ Teachers portraying "The Voice" judges sing a reading-themed version of Pharrell Williams' song "Happy" during Monday's Spring Reading Program kickoff convocation at Margaret R. Brown Elementary School. From left are Chris Parisi (Adam Levine), Jorge Ortiz (Williams), Angie Rennekamp (Christina Aguilera) and Jennifer Regruth (Blake Shelton's wife, Miranda Lambert).