Complex sentence: Around October 1899 McAdoo and soprano Belle F. Gibbons left Loudin's group and went back to the USA, where McAdoo formed his own company, the Virginia Concert Company or Virginia Jubilee Singers.
Split into simpler sentences: Around October 1899 McAdoo and soprano Belle F. Gibbons left Loudin's group and went back to the USA. There McAdoo formed his own company, the Virginia Concert Company or Virginia Jubilee Singers.