Complex sentence: Alex & Sierra has commonly described the album as one that is not just filled with slow or upbeat songs, with the hope it becomes one of those albums that you can listen to without the songs ever sounding the same.
Split into simpler sentences: Alex & Sierra have commonly described the album as one that is not just filled with slow or upbeat songs. They hope it becomes one of those albums that you can listen to without the songs ever sounding the same.