Complex sentence: Sheffield's review for "Rolling Stone" called the album "brilliant", but was critical of Orbit's production, saying that he doesn't know enough tricks to produce a whole album, and so becomes repetitive.
Split into simpler sentences: Sheffield's review for "Rolling Stone" was mostly positive, but he did point out the weak aspects of the album. Sheffield called the album "brilliant", but was critical of Orbit's production, saying that he doesn't know enough tricks to produce a whole album, and so becomes repetitive.