Business calendar

Saturday, Oct. 1

Neibauer Dental Care is hosting Free Dentistry Day, 7 a.m.-1 p.m. Saturday, Oct. 1, 117 St. Patricks Drive, Waldorf. Free filling, cleaning or extraction. First come, first served. For more information, call 301-870-4553 or go to www. FreeDentistryDay.org. La Plata Business Association third annual Rocktoberfest, 1-11 p.m. Saturday, Oct. 1, Casey Jones Restaurant & Bar, La Plata. Jimmie’s Chicken Shack and Paul Reed

Smith band headline, local bands and artists playing all day. Waldorf McDonald’s and the Welburn Organization hosts Fall Family Day 11 a.m.-2 p.m. Saturday, Oct. 1, 3000 Crain Highway, Waldorf. Free. Bike safety, face painting, Ronald McDonald. Raffles and specials. Saturday, Oct. 8 Calvert Library in Prince Frederick hosts the third Annual Music Industry Seminar, noon-4:30 p.m. Saturday, Oct. 8. The free seminar will include four music industr y panelists. Sunday, Oct. 9

The Ruddy Duck Brewery and Grill is hosting its first DuckFest fundraiser, 1-6 p.m. Sunday, Oct. 9, 13200 Dowell Road, Dowell. German Oktoberfest-themed fundraiser, games for young and old.

Tickets range from $10-20. For tickets, go to ww.unitedwaycalvert.org. Tuesday, Oct. 11

Dominion Transmission & NuStar Terminals Operations host pipeline safety and awareness classes for first responders, 5:30 p.m. Tuesday, Oct. 11, Holiday Inn Conference Center & Marina, 155 Holiday Drive, Solomons. Free, meal provided.

To register, go to md.pipeline-awareness.com.