Where can you find sheet music to Lost acoustic version by Coldplay?

There is no official sheet music for an acoustic version of "Lost" by Coldplay. However, you can find unofficial arrangements and transcriptions online. Here are a few resources:

- [Ultimate-Guitar](https://www.ultimate-guitar.com/tabs/coldplay_tabs/lost_by_coldplay_crd_09252_187607)

- [Songsterr](https://www.songsterr.com/a/wsa/coldplay-lost-acoustic-version-tab-s353315t4)

- [Tabs4acoustic](https://tabs4acoustic.com/coldplay-lost-acoustic/)

These arrangements may not be 100% accurate, but they can give you a starting point for creating your own version of the song.