Complex sentence: In 1991, Albrecht was chosen by the musicians to be principal conductor (from 1994) of the Czech Philharmonic Orchestra, replacing Czech conductor Jiří Bělohlávek, who then resigned early, in 1992.
Split into simpler sentences: In 1991, Albrecht was chosen by the musicians to be principal conductor (from 1994) of the Czech Philharmonic Orchestra. Their selection of Albrecht effectively meant replacing Czech conductor Jiří Bělohlávek, who then resigned early, in 1992.