Complex sentence: The Corrs created a folkier, edgier, and more guitar-oriented album than their previous work, "In Blue" (2000), mostly due to the fact that Jim Corr plays most of the guitars and keyboards.
Split into simpler sentences: The Corrs created a folkier, edgier, and more guitar oriented album than previous albums, notably their year 2000 album "In Blue". This is because Jim Corr plays most of the guitars and keyboards.