These are mostly old-time jams. Bluegrass jam info is at the Oregon Bluegrass Association site. See Portland Folklore Society for song circles 'n stuff. 1st Wed 7-9 Old Time Community Jam Circle with Marian Drake Artichoke Music, 3130 SE Hawthorne Blvd. Open to all old time musicians.  $5.00 donation at the door. For information call Marian at 503-236-1736. 3rd SAT 7pm - Washington Old-Time Fiddlers Association, District 10, all-acoustic jam in Vancouver, WA at the Unitarian Universalist Fellowship Hall, 4505 E. 18th Street, Vancouver. All acoustic instrument players welcome. Very user-friendly, informal jam. Refreshments and room to dance. Receptive audience. Donation at door. 2nd & 4th SAT - Manor Grange Jam & Open Mic. Hosted by the Columbia River Oldtime Strings - NE 72nd Ave & 179th St, Battle Ground, WA. Jamming downstairs, open mic on the stage upstairs. Anyone can join in the fun; listeners as well as musicians are welcome. 1st SUN Keiser Old Time Jam (formerly the Waldo Hills jam) - 1:00 until the last dog bites (5pm or so) - Newcomers welcome. Acoustic old time music and vocals. Slower as well as up to speed tunes. Folks encouraged to share new (old) tunes. John Knox Presbyterian Church, 452 Cummings Ln N, Keizer, OR 97303. Contacts: Steve soyopo@comcast.net or John adamsjw@comcast.net. 3rd SUN 2:30-5pm - Off for the summer, resumes in September - "Sore Fingers Jam" - Old-Time, bluegrass, Dixieland, folk, jug band jam at Twin Paradox Coffee House, 8609 SE 17th Ave. Portland (Sellwood SE 17th and Clatsop just south of Tacoma St . ) 503-232-8202. All acoustic, informal, friendly.  Join us most third Sundays. Info bayless@hevanet.com or 503-245-4873. Best to get on Rich's email list to be sure of the schedule.