At the age of 13, Chang began accompanying nearby Pioneer High School with their daily musical rehearsals as well as a local dance studio.
[4] After graduating from USC's Thornton School of Music, Chang was discovered and asked to audition for an up-and-coming artist, Michael Bublé.
Since 2003, Chang has been Bublé's musical director and pianist, traveling the world to sold-out shows, radio, and television appearances.
The album features "melancholy interpretations of Christmas songs envisioned by various members of Michael Bublé's touring band."
In addition to his writing credentials with Michael Bublé, Chang co-wrote two tracks with singer Josh Kelley on his album To Remember: "Walk Right In" and "More Than Love".