The Lawn Chair Night summer concert series concludes in Decorah this week with a performance by the group "Good Friends." Performance time is Thursday night, Aug. 26, at 7 p.m. in front of the Winneshiek County Courthouse. Good Friends is a Bluegrass, Country, Old Time Music group out of Decorah and consists of four band members: Sandy Good, Charley Good, Gary Halvorson, David Anderson