Artist Biography Available in: Joculatores Upsalienses is a music group from Uppsala, Sweden formed in 1965 that specializes in medieval music and renaissance music. Formed at the initiative of Sven Berger, Joculatores Upsalienses has explored and expressed early music with both a sacred and secular repertoire. The group has toured in Sweden and abroad, participated in radio and television, and released a number of records.