Listen to Maldives' Manta Ray Migration Rain: Embark On a Journey of Discovery online. Maldives' Manta Ray Migration Rain: Embark On a Journey of Discovery is an Instrumental language song and is sung by Grayson Hampton. Maldives' Manta Ray Migration Rain: Embark On a Journey of Discovery, from the album Deep Sleep Rain Therapy: Calming Rain Sounds for Restful Nights and Better Sleep Quality, was released in the year 2024. The duration of the song is 2:04. Download Instrumental songs online from JioSaavn.