accompanist
noun [ C ] music uk/əˈkʌm.pə.nɪst/ us/əˈkʌm.pə.nɪst/
伴奏者
someone who plays an instrument such as the piano or guitar while someone else sings or plays the main tune
The singer's accompanist on the piano was Charles Harman. 为演唱者钢琴伴奏的是查尔斯•哈曼。