Commerce Chamber of Commerce manager Paul Voss estimates the Bois D'Arc Bash attracts between 12 and 15,000 people each year the fourth weekend of September. He says the event Friday and Saturday (September 21-22) will attract 140 vendors this year. The theme this year is "Bash to the Future." Country singer Christ Colston is the featured music performer Saturday night. Event include the Commerce Leadership Institute Barbecue Friday night and the parade at 10 a.m. Saturday.