"Sound recordings" refers to capturing and storing audio information, like music or spoken words, in a way that can be played back later. Full definition
A series of new music performances will take place daily for the first three weeks and will be added to the existing sound recordings of the show. (huffingtonpost.com)
Outside of these lump sums, the royalty streams for sound recording do not offer a living wage for most musicians. (slaw.ca)
Then, using an audio processing program, they merged them with ambient sound recorded from three rooms sized 50, 130, and 600 cubic meters. (sciencemag.org)