Mark O'Connor's "Duo" is a captivating journey through the vibrant landscapes of bluegrass and newgrass music. Released on August 5, 2015, under OMAC Records, this 43-minute album is a testament to O'Connor's mastery of the fiddle and his ability to blend traditional and contemporary styles seamlessly. The album features a diverse tracklist, including classic tunes like "St. Louis Blues" and "Swing Low, Sweet Chariot," alongside original compositions such as "F.C.'s Jig" and "Emily's Reel." O'Connor's virtuosic playing is showcased throughout, from the intricate melodies of "Ashokan Farewell" to the lively rhythms of "Tiger Rag." Whether you're a longtime fan of bluegrass or new to the genre, "Duo" offers a rich and engaging listening experience that highlights the depth and versatility of Mark O'Connor's artistry.