Related Information for Au Revoir Borealis Au Revoir Borealis is a collective of musicians from Detroit, Michigan who write songs that are epic, expansive and rather cinematic in nature. The group was formed in 1998 by a few art school friends as an opportunity to experiment and play with sound.They received much fanfare with the release of their highly regarded debut recording, "Tienken", in 2000. College radio, music press and online message boards throughout the U.S. and Europe began spreading the word of their soarin.. read more