Complex sentence: Some critics have suggested that unlike CCM and older Christian rock, Christian Alternative Rock generally emphasizes musical style over lyrical content, though the degree to which the faith appears in the music varies from artist to artist.
Split into simpler sentences: Some critics have suggested that unlike CCM and older Christian rock, Christian Alternative Rock generally emphasizes musical style over lyrical content, though this certainly varies by band. The degree to which the faith appears in the music varies from artist to artist.