Mark and Greta bring their guitars/ukes/vocals act and some holiday repertoire to the Shingle Springs Opera House in the foothills of the Sierra Nevada mountains, up the hill from Sacramento. For venue and concert information, please email David at dcthomas5256@gmail.com.

Mark and Greta bring their guitars/ukes/vocals act and some holiday repertoire to the Shingle Springs Opera House in the foothills of the Sierra Nevada mountains, up the hill from Sacramento. For venue and concert information, please email David at dcthomas5256@gmail.com.