The word "listen" is used when a person pays attention to sound. This word is different from the verb "hear." A person who hears something, could be expecting the sound or not. A person who listens is actively receiving and thinking about the sound.
Do you like to listen to the radio?
What kind of music do you like to listen to? (The preposition "to" often appears after "listen.")
Bill has been listening to a lot of classical music lately.
Some students don’t listen when the teacher is talking.
It’s important to listen.
Were you listening to me?
I don’t think you were listening.
Why don’t you listen?
Vanessa believes she isn’t being listened to by her supervisor.
Politicians listen to voters before an election.
Voters are listened to by politicians before there’s an election. (passive voice)