What makes Animal Arithmetic by Jónsi notable?

'Animal Arithmetic' was well-received, showcasing Jónsi's unique vocal style and compositional skills, ultimately reaching top positions on various international charts. The album's critical acclaim helped solidify his status as a solo artist, separate from his work with Sigur Rós. Released in 2010, 'Animal Arithmetic' is Jónsi's debut solo album following his work with Sigur Rós. At this point, he had already established himself as a distinct voice in the post-rock genre, and this album marked his exploration into more pop-oriented sounds while maintaining an ethereal quality.