sentences:  F. Lorée was established in 1881 by François Lorée when he left his position as "chef d'atelier" for the well-established French oboe maker Frédéric Triébert.The firm of Triebert, which was the dominant oboe-making concern in mid-19th century France, fell to pieces with the death of sole proprietor Frédéric Triebert in 1879.By 1882 it had changed management thrice and was eventually sold to the mass-maker Gautrot, itself purchased in 1884 by Couesnon.