MORRISTOWN — The group Yellow Moon will play a concert on August at 7 p.m. at the Gazebo in Chapman Park. The group is a trio that plays jazz, bluegrass, Brazilian, folk, and blues. The members are Kathy Sommer, violin, mandolin, and vocals; Kevin Irwin, guitar and vocals; and David Katz, bass. This concert is made possible in part by the St. Lawrence County Arts Council with funds from the New York State Council on the Arts, with the support of Governor Andrew Cuomo and the New York State Legislature. In case of rain, the concert will take place in the Morristown Gateway Museum on Main Street.