4. In the text, find the words that have the following meaning: 1. a successful pop song; 2. a type of party when a young person or a group of young people stay for the night at the house of a friend; 3. a type of entertainment in which a machine plays only the music of popular songs so that people can sing the words themselves; 4. caring only about what you want or need without any thought for the needs or wishes of other people.
