Ridley did a few good attempts on the Collaborative thread last year.
Your mother once thought this should do:
https://mega.nz/#!bR0CUAgZ!8tXiiKI9PUpvmjG1VO3qkCUnFyiF5YaVewQ-oSBXAdw
That’s pretty good. I think it would be even better if there was a half second gap between Mother & Once. I stumbled across this today when I was searching to see if anyone had done it. The music was a problem–
https://www.youtube.com/watch?v=PfnFYoDamZs