Listen to Gentle Waikiki Rain Shower: a Lullaby for Restful Sleep online. Gentle Waikiki Rain Shower: a Lullaby for Restful Sleep is an Instrumental language song and is sung by Celia Callahan. Gentle Waikiki Rain Shower: a Lullaby for Restful Sleep, from the album Relaxing Rhenium - Calming Rain for Mindfulness and Relaxation, was released in the year 2024. The duration of the song is 2:06. Download Instrumental songs online from JioSaavn.