Choose a good topic sentence that is connected to the information in the paragraph.

Reasons for Playing Instruments

Some people choose to learn how to play a musical instrument because they want to have fun. They want to play it with their friends or maybe in a band. Another reason people play an instrument is that it is their hobby. They learned how to play it a long time ago, and now it is a way to occupy their time. Other people learn to play an instrument because it is part of their culture. Certain instruments are popular in one culture, such as the guitar in Spain or the oud in the Middle East. In some cases, however, people learn how to play an instrument because they think it will make them smarter. A great deal of research suggests that studying music can improve a person's brain function and intelligence. In sum, there is not just one main reason that people play a musical instrument.