Preparatory vocalist Grace Null was invited to perform as a soloist alongside professional singers in Maryland Opera’s “Opera in the Park” event on August 29, part of Mount Vernon Place Conservancy’s Summer in the Squares concert series. Grace, a junior at Towson High School, was one of two singers from Maryland Opera’s 2019 camp for high school students selected to perform. She studies at Peabody Preparatory with Madeleine Gray and is also a member of Peabody Children’s Chorus.