Answer:
Radio created a music industry, and by the 1920s people began enjoying music at home.
Step-by-step explanation:
The excerpt seems to be focusing on this statement through, "People listened to music in their homes. They bought record players. They listened to music on the radio, too." Secoundly, the title of "Music Gets Personal" provides the idea that the rest of the excerpt may be about people being able to become closer to music.