For permanent offline copies, consider via iTunes, Amazon Video, or band/artist websites.
Type (without quotes): intitle:index.of mp4 "music video" "pop" Intitle Index Of Mp4 Music Videos
Despite this, the technique is not dead. It has simply retreated to more obscure search engines (like Shodan, Censys, or OONI) and specialized file search websites (like Napalm FTP Index). For the dedicated digital archivist, intitle:index.of mp4 music videos remains a nostalgic, powerful, and occasionally fruitful method. For permanent offline copies, consider via iTunes, Amazon