EXERCISE 33–1 Unnecessary commas
Example:

In his Silk Road Project, Yo-Yo Ma incorporates work by musicians such as, Kayhan Kahlor and Richard Danielpour.

Possible revision:

In his Silk Road Project, Yo-Yo Ma incorporates work by musicians such as Kayhan Kahlor and Richard Danielpour.

For more help, see section 33.