Complex sentence: The Offspring commenced work on "Days Go By" in 2009, with plans to release it in 2010, however its release was pushed back several times while the band continued touring and writing new material.
Split into simpler sentences: The Offspring commenced work on "Days Go By" in 2009, with plans to release it in 2010. However, its release was pushed back several times while the band continued touring and writing new material.