According to the passage, the reason why astronauts get a piece of wake-up music is because of the option (b).
You may determine that astronauts are homesick based on this information since they frequently play requests from the astronauts or dedications from their family and friends.
Hearing a piece of favorite music can help astronauts connect with family and friends back home.
For more information about astronauts' families, refer below
https://brainly.com/question/24040001