And so what we did was we brought professional jazz players to the NIH, and we had them memorize this piece of music on the left, the lower-left -- which is what you heard me playing -- and then we had them improvise to the same exact chord changes.
我们把专业的爵士乐演奏者请到国家健康研究中心， 我们让他们记住左边的这段音乐，左下 就是你听到我弹的这段， 然后我们让他们用同样的和音来即兴发挥。