As we chant the Holy name of the Lord; it is compared to the shooting arrows, our body is the bow and our soul is the arrow and then the target the Supreme destination is Lords lotus feet. Thus our chanting must be very attentive.
Dealings of Radha and Krishna are all pure, real, original and spiritual. As one hears from the right source, hears with right kind of doses, he will attain the topmost devotional attitude and gets rid from the contamination in the form of kama the lust, bonds and attachment.
This chanting is a universal thing and it is the japa yoga, linking with Sri Krishna which is non-different from Krishna; this is the perfect science and the one to know this fact is the perfect scientist. Madhavacharya, Ramanujacharya, Chaitanya Mahaprabhu are one of the perfect scientists.