BrahmaRishi NĀRADA

Narada (Sanskrit: नारद, nārada means Naara = Wisdom + Da = Giver) or Narada Muni is a divine sage from the Vaisnava tradition, who plays a prominent role in a number of the Puranic texts, especially in the Bhagavata Purana, and in the Ramayana. Narada is the author of the Pāñcarātra, a standard text for Vaisnava's priests which contains the technical and philosophical meanings of the temple Deity worship

http://en.wikipedia.org/wiki/Narada

(Sanskrit: नारद, Nārada, possibly derived from "nāra", meaning man) [1] is a Vedic sage Narada  who plays a prominent role in a number of Hinduism's earliest texts, notably the Ramayana and the Bhagavata Purana. Narada is arguably ancient India's most travelled sage with the ability to visit distant worlds and realms (Sanskrit lokas). He is depicted carrying a tanpura, and is generally regarded as one of the great masters of the ancient musical instrument.[2][3] which he uses to accompany his singing of hymns, prayers and mantrasas an act of devotion to Lord Vishnu. Narada is described as both wise and mischievous, creating some of Vedic literature's more humorous tales. Vaishnav enthusiasts depict him as a pure, elevated soul who glorifies Vishnu through his devotional songs, singing the names Hari and Narayana, and therein demonstrating bhakti yoga. The Narada Bhakti Sutra is attributed to him.