Importance of chanting mentioned in our scriptures :

As per Rugved, मर्त्या अमर्त्यस्य ते भुरि नाम मनामहे । – Rugved (8.11.5)
Meaning : I, the non-last embodied soul, am always and continuously remembering that chant (name of God), which is full of divine nectar.Tanuja Thakur