Many free download sites are hotspots for intrusive ads, trackers, and malicious software that can infect your phone or computer.
If you are looking for live performances or rare recordings rather than the standard studio MP3, check historical archives: Internet Archive welcome to the jungle free mp3 download
Technically, using software like Audacity (a free, open-source audio editor) to record your computer's stereo output while Spotify plays is legal for personal backup in some jurisdictions (like the US under fair use, provided you own the original). Many free download sites are hotspots for intrusive
Downloading music illegally bypasses the royalties that go to the songwriters and performers who created the music. Many websites appearing in search results for "free
Many websites appearing in search results for "free mp3 downloads" (such as those hosted on generic audio-sharing domains) often host user-uploaded content that lacks proper licensing. Downloading from these sites can expose your device to or lead to copyright infringement notices from your service provider. Download 01 Welcome To The Jungle by theblasco74
If you specifically want the experience rather than the studio master, the Internet Archive hosts thousands of live GNR bootlegs. Search for "Guns N Roses Live 1988 - Jungle" on Archive.org. These are legal to download (often shared under Creative Commons) and capture the raw energy of the band in their prime.