In Bhagavad-gita it is said that when Krishna is within our view, at that time one is not disturbed even in the midst of gravest calamity. Anyway, even if we are disturbed, then the only resort is to chant and concentrate one's mind in Krishna. There is no other alternative. Chanting and dancing make one relieved of all material burdens.
Reference: Letter to: Hansadutta — Hawaii 23 March, 1969