 Trained in many areas of vocal music, Britt-Helene travels the world as a voice teacher, clinician and coach of a cappella groups.She has been a member of the international faculty for Sweet Adelines International for many years and her musical influence is felt throughout the world of barbershop music.Anna Alvring is a musically trained primary school head master as well as a music and math teacher with a long-time love for barbershop.