परिघट्टनया तुष्टा युक्तायां राक्षसां गणाः । सङ्घोटनक्रियायां च तुष्यन्त्यपि च गुह्यकाः ॥ ४६॥
"By the action of the percussive sound, the groups of demons are pleased. They are also pleased during the collective activity and by the secret practices."
english translation