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The purposes of this study are to investigate the effect of the Music Attention Control Training (MACT) on three types of attention (sustained, selective, switching) in pre-adolescents (10-14 years old) with Autism Spectrum Disorder (ASD) and to identify the impact of the level of severity (mild, moderate, severe) on changes in attention scores. This modified replication study included 23 participants randomly assigned to treatment and control group stratified based on severity of ASD. Significant results via two-tailed paired-sample t-test (p< .10) indicated significant positive trends with the treatment group for the 3 out of 4 subtests of selective attention: Hector Cancellation, Hector-B Cancellation, and Hecuba Visual Search; 1 out of 4 subtests of sustained attention: Sustained Attention Response Test (SART); and the single subtest of switching attention: Red & Blues, Bags & Shoes (RBBS). Results call for modifications to further support the role of MACT on attention skills with pre-adolescents with ASD. Implications for future research and contributions to clinical practices in music therapy are discussed.