Just take the musicians, the group which "is most able to determine the energy level," for example. It is understood that in many bands often only about half the "musicians" actually know how to play their instruments. The other half are just there to fill up the space.
就拿「最能帶動熱鬧氣氛」的送葬樂隊來說好了，據瞭解，許多樂隊真正會吹奏樂器者，往往不到一半，另一半只是充充場面而已。