Karrin Allyson's new recording, By Request: The Best of Karrin Allyson (Concord, 2009), showcases tracks from her 11 albums on the Concord label. In this interview, Allyson talks about the lucky break that led to her relationship with Concord; the intricacies of Brazilian music; and how her music is shaped by everything from her classical piano background to the singer-songwriters she heard on the radio when she was growing up.