The concert band begins taking itself very seriously to give itself the best chance possible of winning gold at Nationals. Unfortunately, the intense environment has some of the new recruits discouraged and intimidated.
It might be more accurate to 
call it a mass resignation.
.قد يكون من الأدقّ تسمية الأمر باستقالة جماعية
Oder vielleicht eher,
wir werden geschlossen austreten.
Potremmo definirlo più correttamente
un abbandono collettivo.
Seria mais correto chamar
de desistência em massa.
Хотя, наверное, правильнее будет
сказать, что массово его забросят.