Listen to ナイジャ online. ナイジャ is an Instrumental language song and is sung by 癒しBGM. ナイジャ, from the album 脳波勉強音楽 - 深い眠りの音楽、集中力を向上させる, was released in the year 2019. The duration of the song is 5:27. Download Instrumental songs online from JioSaavn.