systems）以及声音环境（acousticallyharshrooms），它们决定了在阿卡贝拉比赛中配备一个混音工程师是非常关键的。
A.systems , and acoustically harsh rooms make it essential to have a mixing engineer with acappella experience .
与传统看法不同，阿卡贝拉团体（的声音）是很难融合的。
Contrary to popular opinion , acappella groups are hard to mix .
阿卡贝拉