Trio Mediæval is a Grammy-nominated vocal trio established in Oslo in 1997. The group, comprising Anna Maria Friman (Swedish) and Linn Andrea Fuglseth and Torunn Østrem Ossum (Norwegian), specializes in sacred monophonic and polyphonic medieval music from England, Italy, and France, alongside contemporary compositions. Their debut album, "Words of the Angel," charted on the Billboard Classical list.