What makes Ys by Joanna Newsom notable?

'Ys' received widespread critical acclaim, landing on numerous year-end lists and earning a spot on Pitchfork's list of the top albums of the decade. It also influenced a new wave of artists in the indie-folk movement, showcasing that genre boundaries could be transcended through elaborate arrangements and poetic lyricism. When 'Ys' was released in 2006, Joanna Newsom was transitioning from her debut album, 'The Milk-Eyed Mender' (2004), which had garnered critical acclaim. This sophomore effort marked a significant artistic evolution, showcasing her ambition with longer compositions and complex narratives as she solidified her place in the avant-garde music scene.