If you are trying to find the artist or source of this specific file, you can try the following:
: Right-click the file, select Properties (Windows) or Get Info (Mac), and look at the "Details" or "Metadata" tab. This often lists the Artist, Album, and Year. Download the cradle your soul 15700 (1) mp3
: Play the file near a device running Shazam or use Google Assistant's "Search a song" feature to see if it's a registered track. If you are trying to find the artist
: If you found this in your downloads folder and don't remember where it came from, check your browser history for the date the file was created to see which website you were visiting at that time. Download the cradle your soul 15700 (1) mp3