If you are trying to , organize your own files , or fix a "No Songs Found" error (as seen in Garmin Support), let me know, and I can provide more targeted steps!
Here's a list of popular devices that you can use to create and play your index of MP3 greatest hits portable:
Do not despair. The spirit of the "index of" search is a desire for curated, offline collections of music. Thankfully, there are incredibly robust, legal, and high-quality ways to build a "greatest hits" library for portable devices that are safer and easier than searching for open directories.