Mazer had been associate conductor of the Chicago Symphony Orchestra for 15 years at the time. Besides assisting Solti in rehearsing the orchestra, he was in charge of the young people's concerts and the community music program.
此時梅哲擔任芝加哥交響樂團副指揮已達十五年，除了輔佐指揮蕭提訓練樂團，還把青少年音樂會及「社區音樂計畫」主持得井井有條。