Final answer:
Record labels can aggregate through streaming services, which serve as a central platform for distributing music to a wide audience and gathering important data for the labels. The correct option is a.
Step-by-step explanation:
One way record labels can aggregate is through streaming services. When music is made available on platforms such as Spotify, Apple Music, or Amazon Music, it allows for a collection of sound recordings, including songs and albums, to be accessed by a broad audience.
Furthermore, when music from a label is streamed, the label can compile data on listenership, which can help with marketing strategies, artist development, and revenue calculations. Streaming services act as a central point for fans to find and listen to music, making them a key aggregator for record labels in the digital age. The correct option is a.