Complex sentence: Arielle Castillo of "Miami New Times" noted that "Sweet Dreams" is another one of Jim Jonsin's productions with a keyboard-propelled arrangement, but unlike the material Jonsin crafted for Soulja Boy, the song is "swirling, and darker".
Split into simpler sentences: Arielle Castillo of "Miami New Times" noted that several popular songs produced by Jim Jonsin are mainly keyboard-propelled, before adding that "Sweet Dreams" is not an exception. He commented that unlike the material Jonsin crafted for Soulja Boy, the song is "swirling, and darker".