En Forêt by Eugene Bozza (1905-1991) is considered by many to be the most difficult piece ever written for the horn. read more
At least according to the liner notes of the “blue CD,” John Cerminaro, Horn, on the Crystal label. It tells us right there: En Forêt by Eugene Bozza (1905-1992 [oops, a typo, he died in 1991]) is considered by many to be the most difficult piece ever written for the horn. read more