When he came to America, he carried the erhu with him, and would amuse Wu by suddenly writing out the scores to "How Can I Not Think of Him" and "Mist." This man who "knew the songs that we Chinese girls sang" made a big impression on her.
到美國時，還把二胡帶在身邊，有回興致一起把「教我如何不想她」、「毛毛雨」等歌曲的譜寫了出來，「原來他也曉得中國女孩唱的歌」，吳健雄覺得有趣，也對他的細膩留下深刻印象。