Clarion Brass is a professional orchestral brass ensemble which has been performing for 30 years. Artistic Director William Berry creates and arranges all of the music Clarion performs, with new unique, original, and quirky holiday music premiered every year. Conducted by Dr. Andrea Olsen, Clarion will present this year's concert at the beautiful and acoustically marvelous Cathedral of St. John the Evangelist on Spokane' s south hill.