Kevin Jamey has published a new meta-analysis in Cognition reporting that childhood music training improves inhibition control with a moderate-to-large effect size:

Jamey, K., Foster, N. E., Hyde, K. L., & Dalla Bella, S. (2024). Does music training improve inhibition control in children? A systematic review and meta-analysis. Cognition, 252, 105913. DOI: 10.1016/j.cognition.2024.105913