The Power of One is based on a dream dreamed by Bryce Courtenay.
In 2022 Walker received a Canadian Screen Award nomination for Best Original Song at the 10th Canadian Screen Awards for "Drop the Rock", a song he cowrote with Nicolas Errra for the 2021 film Goodbye Happiness (Au revoir le bonheur)
 Harper attributes his work ethic to the lessons he learned from watching his father: "I wanted to come out and I wanted to work hard because he worked hard

