With music, you practically make kid less afraid when it comes to studying. Although this depends on the type of music you use when teaching the kids.
If you use very loud music, this will tend to distract the kids more than making them focused on the assignment at hand making them dance like afro house king which is not advisable.
However, there are some nice cool music and rhymes meant specially for kids and some of these can be found on fakaza.
Now you can try out this method and see what works well for your kid.