Complex sentence: Townsend utilized clean vocals much more than in his previous albums, and produced and mixed the album in his trademark "wall of sound" style, blending "layers upon layers of guitars, keyboards, and vocals".
Split into simpler sentences: Townsend utilized clean vocals much more than in his previous albums. Townsend produced and mixed the album in his trademark "wall of sound" style, blending "layers upon layers of guitars, keyboards, and vocals".