Use the following guidelines for selecting a theme song. Most of these rules are not 100% absolute, but they are used as a general guideline for selecting and approving themes.
| Length | Grade |
|---|---|
| 0:20-1:00 | A |
| 1:01-2:00 | B |
| 2:01-2:45 | C |
| 2:46-5:00 | D |
| < 0:20 or > 5:00 | F |
Note
These are not strict rules, but the preference is to generally avoid themes that are too short or too long.
Themes should have noticeable audio within the first 15 seconds. Themes that start with a slow fade-in are not preferred.
YouTube restricts videos based on age. If the video is not available to users under the age of 18, it will not be approved.
Note
This rule is absolute.
YouTube restricts videos in some geographical locations. If the video is not available in the United States, it will not be approved.
Note
This rule is absolute.
A theme can be replaced by submitting a new "issue". If you are replacing an existing theme, please leave a comment on the issue to let us know the reasoning behind the change.
You can view and search the existing themes at ThemerrDB.
Approvers use the Theme Approver Guidelines when reviewing theme submissions.