Updating mp3 info
In many cases, Updates may be initiated for you automatically such as when you save changes to a library's settings.
Settings to control automatic or periodic library updates can be found under feature.
If it finds new or unmatched media, it then scans it into the library and fetches metadata for it.
You can think of updating as "check for new or changed content and get metadata for it if needed".
You should Update a library if you have: Refreshing a library or individual item causes the metadata for the item to be refreshed, even if it already has metadata.
You can think of refreshing as "update metadata for the requested item even if it already has some".
(This function, obviously, is not available if your files are protected, i.e. After you finish your changes, press the Save button that has appeared on the Status bar of Windows Explorer.
You can press Esc anytime to leave the status bar editor.
Note: In most cases, this should work for content on local filesystems.Periodic updates for your library allow you to have updates run at a set frequency.