She released her single "Dream" from her debut album, A Good Day, produced by Joey Waronker for EMI's Blue Note Records, in 2008.

After growing up in Pennsylvania and graduating from high school, Ahn moved to Los Angeles, California, adopted her mother's Korean maiden name, and began to pursue a music career.

Ahn has toured with Willie Nelson,[1] Amos Lee (for whom she sang backup vocals),[2] Ray LaMontagne,[1] Devotchka and Joshua Radin.

It’s also an ode to my Korean background, which is where I get my musical genes from.”[4] After years of performing at open mic nights, Priscilla Ahn played a showcase in New York City for Blue Note Records and was signed to the label.

[7] Priscilla Ahn has toured with Joshua Radin, Amos Lee, Willie Nelson and Ray Lamontagne and contributed vocals to the albums Supply and Demand, Mission Bell and Kaleidoscope.

[11] Ahn's songs have appeared on the television shows Grey's Anatomy,[12] Knight Rider, Make It Or Break It, Married Single Other, several episodes of the Ghost Whisperer,[13] and in the films Disturbia,[14] Bride Wars, Love Happens, My Sister's Keeper, Free Willy: Escape from Pirate's Cove and Moms' Night Out.

Ahn appeared on The Tonight Show with Jay Leno in May 2011 and ABC's Dancing with the Stars, performing songs from her debut A Good Day and the title track from When You Grow Up.