Listen to The Sound of Rain in the Mackay Highlands online. The Sound of Rain in the Mackay Highlands is an Instrumental language song and is sung by Grayson Hampton. The Sound of Rain in the Mackay Highlands, from the album Rain Sleep Therapy Soundscapes: Calming Rainfall for Better Rest, Meditation, and Relaxation, was released in the year 2024. The duration of the song is 2:03. Download Instrumental songs online from JioSaavn.