musician       
noun [ C ] uk/mjuːˈzɪʃ.ən/ us/mjuːˈzɪʃ.ən/
B1 音乐家;乐师;作曲家
someone who is skilled in playing music, usually as a job
  The concert features dancers and musicians of all nationalities. 这场音乐会云集了各国的舞蹈家和音乐家。 
 Compare: instrumentalist
 - More examples
 - I'm not much of a musician, I just like to diddle around.
 - The famous jazz musician, Duke Ellington, was a composer, arranger and pianist.
 - The restaurant was hopelessly mismanaged by a former rock musician with no business experience.
 - She was a prodigious musician.
 - Our next act is a very talented young musician.