July 31: DRESDEN, a country western line and partner dance will be held at 7 p.m. at Dresden Masonic Hall, Route. 127. $3/$4 622-4884

July 31: POLAND SPRING, the Big Chips Trio will perform at 7 p.m. at All Souls Chapel. $5 998-4142

July 31: RANGELEY, Ret. Army Colonel Brian Warren will speak about his experiences hiking the Appalachian Trail at 7 p.m. at Wilhelm Reich Museum Conference Center, Dodge Pond Road. $10/$3 864-3443

July 31: SKOWHEGAN, the Young Performers Camp will perform “Groovy,” at Lakewood Theater. 474-7176

Tomorrow

Aug. 1: BRUNSWICK, Ray Cornils will perform on the organ at 12:10 p.m. at First Parish Church. $5 729-7331

Aug. 1: DOVER-FOXCROFT, the Moscow String Quartet will perform at 7:30 p.m. at the Dover-Foxcroft Congregational Church. $17/$10 669-4225

Aug. 1: HARRISON, the Sebago-Long Lake Music Festival will be held at 8 p.m. at Deertrees Theatre and Cultural Center, Deertrees Road. $20/$8 583-6747

Aug. 1: LEWISTON, the Bates Dance Festival Musicians Concert will be held at 8 p.m. at Bates College Olin Arts Center Concert Hall. $7 786-6161