Newly announced for the disc are Wicked's Julia Murney, Ragtime Tony nominee Christiane Noll, Newsies' Ben Fankhauser and Season 3 winners of "The Sing-Off," Pentatonix.

These artists join the previously reported Stephanie J. Block, Sierra Boggess, Liz Callaway, Ann Hampton Callaway, Louise Dearman, Kerry Ellis, Richard Fleeshman, Christopher Jackson, Jeremy Jordan, Mykal Kilgore, Caissie Levy, Jane Monheit, Laura Osnes, Alexander Sage Oyen, Lea Salonga, Melissa van der Schyff, Willemijn Verkaik, Natalie Weiss and Raena White as well as recording artists Marc Broussard and RJ Helton. A fall release is expected.

A previously unreleased studio recording of one of Alan's compositions, featuring Ramin Karimloo and Hadley Fraser, will be included as a bonus track.

A majority of the album, which will be produced by the composer and StylesFour Productions, will be recorded live at Alan's already sold-out Birdland concert on April 30 at 7 PM. The recording will feature musical direction, arrangements and orchestrations by Jesse Vargas. Due to Monday-night Broadway schedules, some talent will record their tracks prior to the 7 PM concert.

Because the 7 PM concert is already sold out, Birdland has added a 3 PM "Behind the Scenes" concert, which will also serve as a sound check for the performers and the musicians. Due to performance schedules, not all performers will be on hand for the afternoon concert; audiences should also expect retakes and stops during the concert. Tickets are $25 for the 3 PM concert; no drinks or food will be served. There is also no age requirement. Doors will open at 2:30 PM for general seating. To purchase tickets, call (212) 581-3080 or visit http://www.birdlandjazz.com/event/104359.

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Alan’s show with playwright Christy Hall, Home, is aiming for a Broadway debut in the fall. Home is being produced by StylesFour Productions, whose credits also include Once, Spring Awakening and Driving Miss Daisy.