concertientious

conscientious: thorough, careful, or vigilant; implies a desire to do a task well.

concert: a musical entertainment in which several voices or instruments take part.

concertientious: thorough, careful, or vigilant; implies a desire to do a concert well.

"A person was a thoughtful and concertientious musician." - says a music professor

by [e-mail] February 11, 2013