Complex sentence: Iha took on a more acoustic country-ish sound reminiscent of the songs he contributed to the Pumpkins, notabley shying away from the darker sound of Billy Corgan's songwriting.
Split into simpler sentences: Iha took on a more acoustic country-ish sound reminiscent to that of the works he contributed to the Pumpkins. The style is notable to shy away from the darker sound of Billy Corgan's songwriting.