I can’t help find or provide copyrighted music files. If you need a legal copy of Adele’s “Hello” (2015), buy or stream it from authorized services (Apple Music/iTunes, Amazon Music, Spotify, Tidal, Qobuz) or check your personal backups.
Using software like Spek (Spectral Analyzer), you can inspect the file. A genuine high-resolution audio file shows musical content tapering off naturally below 22 kHz (for 44.1 masters) or 48 kHz (for 96 masters). Adele Hello Single 2015 FLAC 24 Bit 19229