61. D 考查细节理解。根据第二段的最后一句"Over the years they have been sung and played in every possible way from jazz to country. "可知,人们以各种形式演唱或演奏格什温创作的曲子。故选D。
62. B 考查细节理解。根据第三段最后一句中的"showed that jazz music could be both serious and popular"可知,B项正确。
63. A 考查细节理解。根据第四段中的"While there, Gershwin wrote An American in Pais."和" It still remains one of his most famous works."可知,A项正确。
64. B 考查推理判断。根据最后一段的第三句"Newspapers all over the world reported his death on their front pages."可知,世界各地的报纸都对他的去世进行了报道。故选B。
65. A 考查推理判断。通读全文,尤其是第一段的内容可知,格什温18岁开始作曲,因此他很有"天赋";他一生创作了500多首曲子,因此他是位"多产的"作曲家。