Which guitarist was the most influential in 1950s hard bop?

Which of the following is traditional Eastern European Jewish music often blended with jazz by artists such as John Zorn and Don Byron?

a. Gypsy jazz b. Taksim c. Klezmer d. Kotekan

Explain how choreographer Agnes de Mille used movement in the musical Oklahoma!. What was revolutionary about it and what great actor/dancer/choreographer of the 50s did she greatly influence?

What will be an ideal response?