The Telluride Bluegrass Festival launched in 1974 as an out-of-the-way town party for locals on the Fourth of July. A year later, they reached out to a promising Kentucky band called New Grass Revival, setting in motion a musical revelation and revolution. In the decades since, Colorado’s loftiest roots music fest has been the stage where old and new bluegrass have coexisted and fed one another. Craig was able to get out for the 53rd annual event, and he filed this report.