Harinama in Asunción, Paraguay (Album 11 photos)
Srila Prabhupada: It is the aspiration of a devotee that while he chants the Hare Krishna maha-mantra his eyes will fill with tears, his voice falter and his heart throb. These are good signs in chanting the holy name of the Lord.
(Sri Caitanya-caritamrta, Adi-lila, 7.81 Purport)
See them here: http://goo.gl/Ob0P6n