The 9:30 concert will feature performances from Hannah Elless (Godspell), Chris McCarrell (Les Misérables, Peter Pan Live!), Mike Schwitter (Pippin, The Book of Mormon national tour), Julia Mattison (Godspell), Krista Pioppi (Spring Awakening national tour), Jessica Vosk (Finding Neverland, The Bridges of Madison County), Ariana DeBose (Hamilton, Motown), Emily Padgett (Side Show), Allie Trimm (Bye Bye Birdie, 13), Max Chernin (Brooklynite), Jessica Crouch (We Will Rock You), Charlie Franklin (The Book of Mormon), Drew Gasparini ("Smash," Make Me Bad), Kerri George, Lauren Marcus (Be More Chill, Pregnancy Pact), Brittnie Price (Hair national tour), Emily Rogers (Unlock'd) and Monet Sabel.

Audiences can expect to hear Bareilles songs that have never "charted," such as "Islands" and "Love On The Rocks," as well as mashups and new arrangements of her popular songs.

Joey Nelan music directs Uncharted: The Songs of Sara Bareilles, which is produced by Andrey Lyle Patino and Tamra Anne Sheehan.

Read Bareilles' exclusive interview with Playbill.com, in which she shares that writing Waitress moved her to tears.

For more information and tickets, visit 54Below.com.