Here's what I use:
Since each "title" starts with a period(.) they'll be easy to find near the start of your song library. Just add them to your playlist(s) just like any chart.

Dividers (8)

Individual songs:
. Instrumentals - .
. Vox - .
.EXTRAS - .
.SET 1 - .
.SET 2 - .
.SET 3 - .
.SET 4 - .
.SET 5 -

)BOB