Complex sentence: After a series of disputes with Capitol, Ferreira collaborated with producers Ariel Rechtshaid and Justin Raisen, developing a sound which derives mainly from 80s pop and 90s grunge, as opposed to her previous work which mainly drew solely on pop elements.
Split into simpler sentences: After a series of conflicts with her record label, Ferreira continued work on the project with producers Ariel Rechtshaid and Justin Raisen. They developed a sound which derives mainly from 80s pop and 90s grunge music, marking a departure from her earlier work which focused on pop elements.