The specific aims of this research study were to examine the differential effect of three different music interventions, namely the interactive music playing therapy, interaction music singing therapy, and receptive music therapy studying the varying latency periods in the response time it took 3-year-old children diagnosed with autism spectrum disorder to elicit the target word vocally; and assess the index of happiness of children with ASD after the implementation of the three music interventions, which can, in turn, be used to (...) influence their overall quality of life through this specific intervention. This study used a combined single-subject research design consisting of delayed multiple baseline across the participants and a multielement design to compare the effects of each music intervention technique targeting the child’s verbal response during playback of a practiced song. Findings demonstrated “singing” to be associated with the lowest latency compared to the other two interventions across participants. Additionally, happiness levels varied from neutral to happy, signifying an overall positive experience during participation in the music applied behavior analysis intervention. (shrink)