Concert Series Set At Old Stone School

The first performance of the Hillsboro Concert Series will take place at 8 p.m. Saturday at the Old Stone School in Hillsboro. The concert series will present Helicon, an improvisional folk trio. Admission is $6 for Hillsboro Community Association members, Bluemont Concert Series members, full-time students, senior citizens and children younger than 18, and $8 for others. Call 668-6191.

School Plans Carnival

The Meadowland Elementary School Parent-Teacher Organization will sponsor its annual fall carnival from 3 to 7 p.m. Saturday at the school, 729 S. Sugarland Dr., Sterling. Call 450-4208.

Chicken Barbecue

The Round Hill Volunteer Fire Department will sponsor a chicken barbecue from noon to 6 p.m. Sunday at the firehouse. The dinner, which will cost $8 for adults, $4 for children 3 to 12 years old and nothing for children younger than 3, includes chicken, baked potato, green beans, rolls and beverage. Call 338-7982.

United Way Reception

The Charles E. Smith Cos. will sponsor a United Way reception from 5:30 to 8 tonight at the new University Center, Route 7 near Route 28. Members of the business community are asked to attend. The goal for Loudoun County this year is $422,000. Call 777-3920.

Shelter Sets Training

The Loudoun Abused Women's Shelter has scheduled volunteer training for Nov. 13, 14 and 17. The times will be 7 to 10 p.m. on the 13th and 14th and 9 a.m. to 3 p.m. on the 17th. Volunteers interested in working at the shelter are required to attend all three seminars. Call 777-6552.

University Reception

Marymount University, which operates a small branch in Countryside, will hold a wine and cheese reception from 5 to 7 p.m. Sunday at Morven Park in Leesburg. Call 777-2414 or 703-284-1647.

Halloween Party

The Loudoun Valley Community Center will sponsor a Halloween party for preschoolers from 5 to 7 p.m. Wednesday. The fee is $2 per child, and all children must be accompanied by their parents. Those interested in attending should register by Monday. Call 338-4122.

Karate Tournament

The Douglass Community Center will sponsor a karate tournament at 9 a.m. Saturday. The fee is $20 for one event and $25 for two or more events. Admission is $3 for adults and $1 for children. Children younger than 5 will be admitted free. Call 777-5913.

Stargazing Program

An astronomer from the Smithsonian Planetarium will lead a watch of planets, moon, stars and galaxies from 7:30 to 11 p.m. Saturday at Sky Meadows State Park. The program is free, but a $1 parking fee is charged. Call 592-3556.

Crop Walk Scheduled

A dozen churches in the Sterling and Herndon areas will sponsor their third annual Crop Walk, a 6.2-mile walk for hunger relief, starting at 9 a.m. Saturday at the Herndon Station of the W & OD trail. Call 430-1299.

Public Process Workshop

The Preservation Society of Loudoun County will sponsor a workshop on local public process from 9 a.m. to 1 p.m. Saturday at Holy Trinity Lutheran Church, 605 W. Market St., Leesburg. Call 338-2124.

Haunted House Tours

The YMCA of Loudoun County, The Rink, the Loudoun County High School Drama Club and the Virginia National Guard will sponsor a haunted house from Monday through Wednesday at The Rink, Catoctin Circle and King Street, Leesburg. Admission is $3. Times are 6 to 10 p.m. on Monday and Tuesday and 6 p.m. to midnight Wednesday. Call 777-YMCA.

Autumn Craft Fair

Leesburg's Market Station will sponsor its third annual autumn festival and craft fair from 10 a.m. to 5 p.m. Saturday and noon to 5 p.m. Sunday. Call 777-6367.

Tax Planning Seminar

International Medical Services for Health will sponsor a seminar on tax planning from 7 to 8:30 p.m. Tuesday in the board room of 1st American Bank in Leesburg. Admission to the seminar, which will be conducted by a group of local lawyers and accountants, is free. Call 771-0071.

Halloween Story Hour

The Sterling Public Library will sponsor a Halloween story hour from 6:30 to 7:30 p.m. Tuesday. The program is free and is suitable for children in grades one to five. Call 430-9500.

Zoning Briefing Set

The Zoning Ordinance Working Group, a Loudoun County citizen task force appointed by the Board of Supervisors to review the draft zoning ordinance, will conduct a public briefing on its work Monday at 7 p.m. in the supervisors reception room, 18 N. King St., Leesburg. Call 777-0246.