What makes Undercurrent by Sarah Jarosz notable?

'Undercurrent' received critical acclaim for its lyrical depth and musical craftsmanship, debuting at number 2 on the Billboard Folk Albums chart. The album also showcased Jarosz's growth as an artist, further influencing contemporary folk and Americana music with its mature themes and intricate arrangements. By the time 'Undercurrent' was released in January 2016, Sarah Jarosz was already an established figure in the Americana scene, winning multiple Grammy Awards. This album served as her fourth studio effort, following her breakthrough album 'Build Me Up From Bones' in 2013, solidifying her evolution as a songwriter and musician.