1. a public performance - live
2. a collection of songs - album
3. the words of a song - lyrics
4. one song from a collection - single
5. a classification of the most popular songs - top ten
6. work on a project - collaborate
7. not recorded - instrumental
8. a song with no words - instrumental
9. number of times a radio station plays a song - airplay
10. most recent - latest
11. the singing in a song - vocals
12. easy to remember and sing - catchy
13. the music of a song - melody
14. recorded music at a concert - live
15. the music for a film - soundtrack
16. copy music to disc or cassette - record
17. the most popular song in a classification - number one