The paragraph 5 develops the idea that playing an instrument or singing can help develop the brain when It describes specific areas of the brain that benefit from learning to sing or play an instrument.
The paragraph talks about the effects of learning to play musical instruments on the brain and how a study shows that people who were trained into musical areas, developed language skills and executive functions, that makes them have a better comprehension of different topics and also made them more able to perform do and learn new things.
Adds Versatility and Flair. Even though meter is often consistent and predictable, especially in poems that rhyme or have the same number of syllables in each line, it offers some flexibility and diversity. Change-ups in meter can make poems more interesting and they help change the mood if needed.