Complex sentence: In May 2013 SZA revealed that she had been working with producers Holy Other and Emile Haynie, the latter of whom had previously worked with Lana Del Rey and Kid Cudi.
Split into simpler sentences: In May 2013 SZA revealed that she had been working with producers Holy Other and Emile Haynie. Haynie had previously worked with Lana Del Rey and Kid Cudi.