Sometimes the vibration of Lord Kṛṣṇa's flute, His bugling, His smiling, His footmarks on the ground, the transcendental fragrance of His body and the appearance of a new cloud in the sky also become impetuses for ecstatic love of Him.
In the Vidagdha-mādhava there is the following statement: "When Kṛṣṇa was playing on His flute, Baladeva very anxiously declared, 'Just see how, after hearing the transcendental sound of Kṛṣṇa's flute, Indra, the King of heaven, is crying in his heavenly kingdom! And from his teardrops falling on the ground, Vṛndāvana appears to have become a celestial residence for the demigods.' "