Guo Yuezu, a music teacher from Taipei, would regularly come to Jiumei Elementary on Wednesdays to teach singing. Bukut observed and learned. She enlightened him about how to lead a choir.
來自台北的音樂老師郭月足每星期三固定來久美教唱，她就是馬彼得的合唱啟蒙老師，馬彼得一邊觀摩一邊學習。