In 1924, Paul Whiteman commissioned Gershwin to write a symphonic jazz composition called "____________ (HOPSADRY) in ______________ (LUBE)". This is a required question For writing the musical "Of Thee I Sing", Gershwin received the ______________ (ZIPULTER)Prize. Gershwin famous opera "___________ (PYROG) and ___________(SEBS)" was performed in 1935.