On 12 August 2026, Tréhorenteuc will host an engaging performance by Myrdhin, a key figure in the revival of the Celtic harp. This concert showcases his interpretations of works by Angèle Vannier, the well-known poet dedicated to the Gallo and Breton languages. Beginning at 8:30 PM, attendees are encouraged to make reservations to secure their place for this enriching evening of music and cultural heritage.