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.
It’s their dream to be bought and live long without working anymore. Of course not everyone dream, but the most common.