DULUTH, MN (KDAL) - The summertime Chester Creek Concert Series celebrates its 31st year with the "Pot Bellied Stallions" playing Tuesday night from 7 to 8:30. Admission is free and those attending are encouraged to bring lawn chairs. Upcoming Tuesday night concerts at Chester Bowl includes performances from Charlie Parr, Sarah Krueger and the Fish Heads. The Duluth Parks Facebook page has the complete lineup and schedule. UPDATE: The threat of rainy weather and cool temperatures has prompted the Parks and Recreation Department to postpone the concert. The "Pot Bellied Stallions" will be rescheduled to perform in August.