Complex sentence: Later on, she became a flautist, playing as a soloist with all of the major Philharmonic Orchestras from Rumania, some of her recordings becoming part of the Gold Musical Archives of her Country.
Split into simpler sentences: Later on, she became a flautist, playing as a soloist with all of the major Philharmonic Orchestras from Rumania. Some of her recordings became part of the Gold Musical Archives of her Country.