Too cute! I love it. My Lane is what I'd call an extreme head tilter too. I don't have to do anything but talk to her most of the time and she starts.
Here is a pretty good example. They had just finished fetch and are a hot mess in this video. I apologize in advance for my shrill voice. I was too close to the speaker on my phone obviously...
ETA: Boo! I can't figure out how to embed the video.