Country music trio The Castellows hint at something big with new unreleased song preview

The Castellows continue to amp up fans by teasing new music.

The Castellows are a very popular neo-traditional country music trio consisting of sisters Ellie, Lily and Powell Balkcom.

While they might not have the popularity of someone like Ella Langley (who does these days?), there's no doubt that they have a very successful career.

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All signs now point to something big coming.