YouTube uploads

For arranged songs, title/description/tag should include album name, group and title.

For original songs, title, japanese game name and "原曲" (original song) words should be present.

Touhou Wikia

First of all, the list of useful resourses

If you're in doubt, just enter Wikitext source code of the article in the validator. Both MusicArticle and Infobox Music templates are supported, assuming that track list format is correct.

unknown field

Mostly these errors should be ignored. Watch out for typos like "orginal title" though!

Red source/title

Ignore it if it's not a Touhou game. If it is, double check that source and title are entered correctly. Frequent mistakes include: