Complex sentence: Authors noted that before Madonna, records labels determined every step of artists, but she introduced her style and conceptually directed every part of her career; the music industry was the foundation to permanently change the way the record companies treat artists.
Split into simpler sentences: Authors noted that before Madonna, records labels determined every step of artists, but she introduced her style and conceptually directed every part of her career. For the music industry was the foundation to permanently change the way the record companies treat artists.