A multi-instrumentalist, Joe Ross plays guitar, mandolin, hammered dulcimer, upright bass, and keys on the project. Vocals and harmonies are handled by Joe Ross and Randy Kohrs, while noted traditional bluegrass vocalist Mel Besher (and his Missouri-based band, Cedar Hill) make a cameo appearance on the song "Mother's Songs." Some other artists working with Ross on "The Spirit of St. Louis" project include: