Schwartz has toured with Lilith Fair,[4] with Sarah McLachlan and Sheryl Crow, and opened for the Weepies, Brandi Carlile, the Civil Wars, Agnes Obel, Toad the Wet Sprocket, A Fine Frenzy, Joshua Radin and the Belle Brigade.

Her single "Boomerang" appeared in the closing credits of the fourth season finale of the television series Arrested Development, for which her father, David Schwartz, composed the soundtrack.

[5] Schwartz guest starred in the second season premiere of House of Lies, playing the role of a waitress dressed as a bumblebee and singing the Carpenters's song, "Close to You".

[6] "Black Roses", a song written by Schwartz, is sung by the character of Scarlett O'Connor (portrayed by Clare Bowen) in the TV show Nashville.

She has worked with the charities Heifer International, CHOC Children's Hospital, Rock 'n' Roll Camp for Girls, Songs of Love for Japan, and Symphony of Hope: The Haiti Project.