https://youtu.be/gfwuqNkrRQc?si=byHEHGcuZBTCsqDy Another great video tutorial from Chadwick at Creative Video Tips. A quick and eat way to do it with the simplest version of the tracker that works in non-studio.
https://vimeo.com/861587014/3a3bb5c8dd And check out his article at FX Guide on how they did it. It is an great song and an awesome video. I love using old footage of them singing the new song. Such a great idea.
Jason Hellerman at No Film School has a great article on Rotoscoping which goes into it's history in animation and with examples. It is well worth checking out.