Complex sentence: Their sixth album "Vulgar Display of Power", released in 1992, revealed a heavier sound still than "Cowboys from Hell" and their 1994 release of "Far Beyond Driven" debuted at No.1 on the "Billboard" 200.
Split into simpler sentences: Their sixth album, 1992's "Vulgar Display of Power", revealed a heavier sound still. Their 1994 release of "Far Beyond Driven" debuted at No.1 on the "Billboard" 200.