People usually refer to art activities as playwrights creating scripts, songwriters and songwriters as second-time creation, and second-time creation is the performance of directors, singers, performers and other performers on the stage or screen using artistic methods, the product of the first creation Expressed artistic activity. Based on the above definitions, Which of the following options are second-degree creations:. ['at the traditional cultural concert for college students, members of a folk band from a university in Henan played an ancient song "Qin Wang Po Zhen Le" with bamboo flute.', 'based on the story content of the first long narrative poem "Peacock Flies to the Southeast" in the history of Chinese literature, the playwright created a modern version of the movie "Peacock Flies to the Southeast".', 'a famous singer was hired by the music department of a university and taught vocal lessons to first-year college students according to the textbook "Selected Vocal Music" compiled by the department.', "The photojournalist compiled his own videos about the natural conditions, social customs, and humanities of African tribes, and organized the documentary `` Exotic Wonders '', and transformed it into a documentary director."]