謝雷 said that 龍兄虎弟 was the best entertainment programme in Taiwan and praised 費玉清 for his capability in mimicking other singers and was the best person to impersonate him. Yes, both were great singers but the Singaporean 黄清元 version of 苦酒满杯 cannot be forgotten for his uncanny sad facial expression and unique voice. Singapore 29/9/2020.