For anyone else whose browser is configured to not ask where to save files before downloading, you may notice that the site linked above initiates a download of a MIDI file named "Jive_Talkin.mid." It does appear to be safe according to VirusTotal: https://www.virustotal.com/gui/file/896eadff63581cb1a3f0e354...
This page works best in Internet Explorer. You would actually hear the music the authors intended you to hear.
PowerShell to the rescue: