Simplify the following text for a Grade 3 native English-speaking person.
Original: This album was once more written by Joacim , Oscar , and Jesper , who despite having quit the band still took part in the process in order to keep the same general mood of their first release .
Simplified: This album was made by Joacim , Oscar , and Jesper . Jesper had already quit the band , but wanted to help with the album .