 Music is important in most children’s lives. To advance efficacious pediatric supportive care, it is necessary to understand young cancer patients’ thoughts about music. Concern about inviting unwell children to express opinions has resulted in scant research examining their views. “Mosaic” research examines children’s experiences through investigating multiple perspectives which inform a “co-constructed meaning.” This study examines pediatric cancer patients’ and their parents’ perspectives about music and music therapy’s role in the children’s lives.