The National Association for Music Education has just updated the National Standards for Music Education. You can see the new standards here: http://www.nationalartsstandards.org/ .
You can see the way our state has adopted and refined the standards here:
You can see Kindergarten specific standards HERE.
You can see First Grade specific standards HERE.
You can see Second Grade specific standards HERE.
The state standards were adopted and took effect beginning fall 2018.