Complex sentence: The album was recorded in three sessions during 2009 to 2010 that resulted in 25 songs, which the band decided to split between "The Big To-Do" and its follow up "Go-Go Boots".
Split into simpler sentences: The album was recorded in three sessions during 2009 and 2010, resulting in 25 songs. The band decided to split these songs between "The Big To-Do" and its follow up "Go-Go Boots".