TuneFind - Tunefind contains an index of music and songs appearing in popular television shows and movies. Find a song, or see where an artists music has been featured.
SearchFiles - SearchFiles is the name of a premium level of file search engine that gets the data from the leading shared file servers of the world.
Shazam - Shazam is a mobile app that recognizes music and TV around you.
FilePursuit - FilePursuit is probably the most sophisticated platform that is offering a best in the class search engine for file links.
AudD - Basically, Shazam API. Recognize music in microphone recordings, audio files, and UGC. Identify songs playing on radio stations and audio streams. Or make your own music recognition app. Recognize music from social networks and analyze trends.
FileCrop - FileCrop is a kind of search engine that works like most of the web search engines.