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Ginny Mules is a Denver/Boulder-area bluesgrass outfit blending Appalachian roots with a bluesy edge. Formed around guitarist and vocalist Liz Forster and banjoist/slide guitarist Keenan Copple, the group later welcomed violinist Rebekah Durham in 2016. The band is known for tight vocal harmonies, earthy instrumentation, and a high-energy live presence that pulls from bluegrass traditions while pushing toward blues and roots-inflected modern sounds. Their music has been described as bluesgrass—an energized fusion perfect for listeners seeking authenticity, storytelling, and dynamic instrumental interplay.