If you are interested in the technical side of why files use the RAR format, here are the key benefits: Need to open, create, or convert a RAR file? - WinZip
These are small data files that provide accompaniment (drums, bass, and backing tracks) for digital instruments.
To access the musical styles within an "18862.rar" archive, you must "extract" them using specialized software:
Common tools include WinRAR , 7-Zip , or The Unarchiver (for Mac). Extraction Process: Right-click the downloaded "18862.rar" file. Select "Extract Here" or "Extract to 18862/" .