Final answer:
SoundExchange is the agency that collects performance royalties for the digital transmission of a recording.
Step-by-step explanation:
The agency that collects performance royalties for the digital transmission of a recording, such as Pandora, Spotify, or other streaming uses, is SoundExchange.
This agency is responsible for collecting and distributing digital performance royalties to recording artists and copyright holders.
SoundExchange ensures that artists and copyright holders receive fair compensation for their work when their recordings are streamed or digitally transmitted.