- Info "Most recording artists’ goal is to sell albums, and for albums to sell, their songs must be popular on the radio. Once a song hits the Top 40 list, a massive rise in album sales is generally guaranteed." So... how do those darn music top lists actually work, you're wondering, as you've done many a time before. Well, the weekend's here and all your cares, my dear feller, can officially come to an end! Don't stay in the dark and count your woes, but do step into the light and wings of truth shall set you — what — free. The technical term of the day: audio fingerprinting. Audio fingerprinting is a process that takes an unknown audio signal and returns a fingerprint, which can then
