[Erasmus]

Brandt said more research on this topic might lead to a better understanding of why music therapy is helpful for people with reading and speech disorders. People with dyslexia often have problems with the performance of musical rhythm. “A lot of people with language deficits also have musical deficits,” Brandt said.

On the other hand, think of people who stutter or have other problems in speaking, who can sing (or otherwise vocally perform) without difficulty. Mel Tillis is one example; I knew a radio announcer who I would classify the same.

[Pharmboy]

Yes...I know of one person with the same traits. Excellent point.

[cornelis]

People with dyslexia often have problems with the performance of musical rhythm.

If you grow up with nothing but a steady diet of polka, guess what? Problems with the performance of musical rhythm.