原文: Kevin Olson. Some have maintained that the word derives from the Latin word concertare , which means 'to fight or contend with'.
译文: 凯文·奥尔森. And, finally, bring out all the expression markings for an artistic and dramatic interpretation. 乐谱. 钢琴二重奏. PF DUET. 凯文·奥尔森.