WhoSampled offers an extensive database of songs, samples, covers, remixes, artists, and more. According to its website, it's now tracking more than 1.2 million songs and nearly 622,000 samples. That data is powering Spotify's latest features, like its upcoming music discovery tool SongDNA.
This is such a random acquisition. It’s like IMDB buying some film aficionado’s tumblr profile.