Background Parent-child play interactions offer an important avenue for supporting social
development in children with autism spectrum disorder (ASD). Musical play is a natural and
ubiquitous form of parent-child play. As a familiar, reinforcing, and predictable activity,
musical play may support parent-child interactions by scaffolding children's attention to the
play activities, while also providing parents with a familiar and accessible context to promote
parental responsiveness. However, musical play may also impede interactions due to its …