The album, to be released on July 12, was recorded during the Callaways' recent engagement at New York's Birdland. Tommy Krasker and Bart Migal serve as album producers.

Celebrating "the soundtrack of the sisters' childhood with songs from the 1960s and '70s," Boom! premiered in 2010 at New York City's Town Hall to great acclaim. According to PS Classics, the label devoted to the heritage of Broadway and American popular song, the show is "a joyous, exultant evening — sometimes zany, often moving, always surprising — that features tunes made famous by Joni Mitchell, Carole King, Bob Dylan, The Beatles, Barbra Streisand, Jimmy Webb, Stevie Wonder and others. The sisters, who alternate expressive solos with radiant duets, also share heartwarming, humorous stories of their years growing up in Chicago and New York."

The Callaways are backed by musical director, arranger and pianist Alex Rybeck, bassist Jared Egan, and drummer Ron Tierno, with Rybeck and Egan doubling on background vocals.

In celebration of the album release, Liz Callaway and Ann Hampton Callaway will appear at a 5 PM July 20 special performance and CD signing at the Barnes & Noble at 150 East 86th St. (at Lexington Ave).

The complete Boom! track listing is as follows: 1. Got to Get You into My Life/Happy Together
2. Come Together
3. (There's) Always Something There to Remind Me
4. A Case of You
5. "Do you remember those long car trips…"
6. Back-Seat-of-the-Car Medley (Mercedes Benz/Brand New Key/Sugar, Sugar/Dance to the Music/ Sweet and Innocent/Joy to the World)
7. Yesterday
8. "We would like to take this time…"
9. You've Lost That Lovin' Feelin'
10. "Having a dad who was a reporter…"
11. Blowin' in the Wind
12. "I wanted to be the 6th Dimension…"
13. Didn't We/MacArthur Park
14. I Know a Place/Downtown
15. These Boots Are Made for Walkin'
16. "We were very different…"
17. That's the Way I've Always Heard It Should Be
18. The Way We Were
19. "The Ed Sullivan Show…"
20. Stevie Wonder Medley (All in Love Is Fair/You Are the Sunshine of My Life /Sir Duke/ Living for the City/Isn't She Lovely?/Ma Cherie Amour/Don't You Worry 'Bout a Thing/Knocks Me off My Feet/For Once in My Life)
21. "One album that unites us…"
22. You've Got a Friend

PS Classics co-founded Krasker told Playbill.com, "As anyone who saw Boom! in performance knows, it was an incredibly rich, emotional and theatrical evening — and we crammed every moment of it onto the CD as we possibly could. I think the CD runs just over 79 minutes, which is about all our manufacturer will allow, but we wanted to preserve as much as we could of what Liz and Ann created. So in addition to, I think, over 30 songs, there's a nice amount of Liz and Ann's banter, their reminiscences and commentary. This is most definitely an album of great artists singing great music, but I guess I especially love it — and especially loved working on it — because it's so much more than that. It's about how Liz and Ann — who were attracted to very different songs growing up — were shaped by those songs, and how they became the artists that they became. It's about the power that music has to impact and sustain us — and I think for a lot of us in this business, that's why we're here — because music at some point took hold and never let go."

Ann previously told Playbill.com, "Liz and I are so excited to record our second live CD after the success of Sibling Revelry. Working with Alex on choosing and crafting arrangements of these iconic songs from our childhood has been a creative joy. And we're very grateful to Tommy Krasker and Philip Chaffin [co-founders of PS Classics] for so quickly inspiring the support of our team of investors. The enthusiasm for this project has been amazing."

Singer Ann Hampton Callaway is also an acclaimed songwriter, whose works have been performed by Barbra Streisand, Patti LuPone and many others. For her Broadway bow in Swing!, Callaway earned a Tony nomination for Best Featured Actress in a Musical. Her many recordings include "At Last," "Blues in the Night," "Slow" and "To Ella with Love." Callaway is also a recipient of 14 Manhattan Association of Cabarets and Clubs (MAC) Awards.

Emmy Award winner Liz Callaway made her Broadway debut in the original cast of Stephen Sondheim's Merrily We Roll Along. For her work in the musical Baby, she received a Tony Award nomination for Best Featured Actress in a Musical. Her other Broadway credits include Miss Saigon, Cats and The Look of Love. She has provided the singing voice for many animated movies including "Anastasia," "The Swan Princess" and "Lion King 2: Simba's Pride." Her solo recordings include "Passage of Time," "The Beat Goes On," "Anywhere I Wander—Liz Callaway Sings Frank Loesser" and "The Story Goes On."

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Founded in 2000 by Tommy Krasker & Philip Chaffin, and a six-time Grammy nominee (for its cast albums of Assassins, Nine: The Musical, Grey Gardens, Company, A Little Night Music and Sondheim on Sondheim), PS Classics celebrates the heritage of Broadway and American popular song through its award-winning cast recordings; solo albums by Maureen McGovern, Victoria Clark, Kate Baldwin, Jessica Molaskey and Christine Andreas (among others); and recordings drawn from rare sound archives, including "Sondheim Sings." Summer releases include studio cast albums of the Gershwins' 1930 Strike Up the Band, the long-lost Vernon Duke/Ogden Nash musical Sweet Bye and Bye, plus the live concert album of She Loves Him, Tony nominee Kate Baldwin's tribute to songwriter Sheldon Harnick. 

PS Classics recently recorded the Joshua Schmidt-Jan Tranen score to A Minister's Wife, a new musical based on Bernard Shaw's Candida. Visit the label's website, www.psclassics.com.