Complex sentence: Holy minimalism, mystic minimalism, spiritual minimalism, or sacred minimalism are terms used to refer to a number of late-twentieth-century composers of Western classical music, whose works are distinguished by a minimalist compositional aesthetic and a distinctly religious or mystical subject focus.
Split into simpler sentences: Holy minimalism, mystic minimalism, spiritual minimalism, or sacred minimalism are the musical works of a number of late-twentieth-century composers of Western classical music. The compositions are distinguished by a minimalist compositional aesthetic and a distinctly religious or mystical subject focus.