Baby G. Recordings Karaoke and CD Duplication, a karaoke studio, will hold its grand opening at 10 a.m. today at Marley Station Mall, 7900 Ritchie Hwy., Glen Burnie. The business, similar to the BGR Laurel Mall karaoke shop run by Lionel and Leslie Green, includes a full production recording studio and sound stage. The Greens hope their Marley Station studio will attract professional and non-professional customers. Singers can make music videos for $30, record CDs for $10 to $20 and sing in front of an audience for $2. BGR will also offer vocal lessons and host music workshops and parties. The studio will be open during mall hours from 10 a.m. to 9:30 p.m. Mondays-Saturdays and from 11 a.m. to 6 p.m. Sundays. For more information, call BGR Karaoke and CD Duplication at 301-317-7827.

Continental Realty Corp. is looking for retail, office and pad tenants for the 20,000-square-foot expansion of the Odenton-based Piney Orchard Marketplace, expected to open next year. The seven-year-old shopping center houses Food Lion, Blockbuster video, and several restaurants and service-based companies. The Baltimore County development company has holdings in Maryland and Florida, including 2 million square feet of shopping center space, 500,000 square feet of office space and 5,000 apartment units. For more information, call Continental Realty Corp. at 410-296-4800 or visit www.crcrealty.com.

Baltimore-based Gorgonz Performance Work Gear recently donated 100 pairs of warm-weather gloves and 100 work hats to Arundel Habitat for Humanity, an Arnold-based nonprofit organization that builds homes for low-income residents of Anne Arundel County who live in substandard housing.

The Baltimore/Washington Corridor Chamber of Commerce, 312 Marshall Ave., Suite 104, Laurel, will host an orientation meeting for business owners in the Baltimore/Washington corridor from 8:30 to 9:30 a.m. next Thursday. The program is designed to introduce business owners to the benefits of chamber membership, give entrepreneurs the chance to network and teach them how to promote their businesses. For more information, call the chamber at 301-725-4000, Ext. 102.

Annapolis-based ARINC, a transportation communications and systems engineering company, recently developed AWINS, the ARINC Wireless Interoperability Network Solution. The high-speed network links all types of radio and telephone systems and allows multiple emergency agencies to interconnect. The system was unveiled last month at an American Association of Airport Executives conference in Las Vegas. Several Maryland business are scheduled to add the system to their communications network.

-- Compiled by EILEEN RIVERS

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