Show File(s) in Finder    ⇧⌘R

Show the currently selected file (in the Project Audio file browser) in a Finder window.

It’s good to be able to locate your valuable assets in the Finder.

Logic Pro Project Audio Browser interface — Apple Support

The Project Audio Browser shows the audio files used in the project, and displays an overview of the regions derived from each audio file. You can add, edit, delete, and rename audio files and regions in the Project Audio Browser.