Initially focused on sibling groups like the Boswell Sisters, they started out specializing in vintage vocal harmonies popular from the 1920s to the 1950s. Since 2011, their style has grown and now focuses on contemporary popular music performed with vintage-style sensibilities.
Performing a mix of original compositions and contemporary covers, as well as an occasional vintage original, Jessica (age 21) sings and plays cajon/percussion, Jacqueline (age 17) sings and plays keyboards/guitar, and Jasmine (age 14) sings and plays bass guitar. They are accompanied by their father, David, on guitar and cello.