All you need to know about teaching music in primary

All of the creative musical things we do in primary ultimately point to the same basic guidelines the church gives us, or I feel like it should. You can build your creative ideas on these basic building blocks:
https://www.lds.org/callings/primary/leader-resources/music/teaching-music

The link above specifically calls out:

1. Ideas for prelude music.
2. Ideas for inviting reverence into the room.
3. Ideas for how to teach a song
4. Ideas for reviewing songs.

Additional ideas for teaching music:
https://www.lds.org/callings/primary/leader-resources/music/teaching-music/planning-primary-music?lang=eng

There quite a few new resources about teaching music on LDS.org, both for music leaders and for other leaders in the primary.
https://www.lds.org/callings/primary/leader-resources/music?lang=eng