The song "When You Taught Me How to Dance" by Katie Melua, is from soundtrack to the 2006 film Miss Potter.
https://en.wikipedia.org/wiki/Miss_Potter
https://en.wikipedia.org/wiki/Katie_Melua
https://en.wikipedia.org/wiki/Miss_Potter
https://en.wikipedia.org/wiki/Katie_Melua
Text to this post, obtained from this song's Wikipedia page, has been slightly modified and made available here under the Creative Commons Attribution-ShareAlike 3.0 Unported License. (CC BY-SA 3.0)
https://creativecommons.org/licenses/by-sa/3.0/