Complex sentence: Following the first three verses of the song, the tempo increases and the theme of moral confusion is present in the lyrics, a concept which was first used in U2's song "Acrobat" from the "Achtung Baby" album.
Split into simpler sentences: Following the first three verses of the song, the tempo increases and the theme of moral confusion becomes present in the lyrics. The theme of moral confusion was first used in U2's song "Acrobat" from the "Achtung Baby" album.