Greffen Audio Visual
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Live Sound Reinforcement Providing live sound reinforcement and audio visual equipment rentals.
05/17/2026
Today was our final HCPSS concert recording for the 25-26’ season. The Howard County Children’s Chorus (Cantus and Lyric) closed out the year. Thanks to our videographer Glenn Scimonelli, and to the HCPSS office of Fine Arts. See you next year!
05/03/2026
Recording and running solo mics for HCPSS GT Jazz!
04/22/2026
A pleasant surprise to get to work with John Christ, original lead guitarist of the band Danzig@HCPSS Shredfest Modern Band Showcase
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Frederick, MD
21701
