What are some alternatives?
When comparing WhoSampled and MelodyCatcher, you can also consider the following products
Shazam - Shazam is a mobile app that recognizes music and TV around you.
Musipedia - A search engine for tunes and musical themes and a collaborative music encyclopedia.
SoundHound - SoundHound - the most immersive music search, discovery and play experience on mobile.
MusicBrainz Picard - Official website for MusicBrainz Picard, a cross-platform music tagger written in Python.Downloads · MusicBrainz Blog · Picard 2.
MusicID - Hold MusicID up to music and it'll tell you the name of the song in seconds.
AudioTag - AudioTag.info — is a free music-recognition service.