Listen to Alaska Rain: Tranquil Sleep & Focus online. Alaska Rain: Tranquil Sleep & Focus is an Instrumental language song and is sung by Jefferson Hamilton. Alaska Rain: Tranquil Sleep & Focus, from the album Soft Rain Among the Birch Trees in the Forest for Deep Relaxation and Peaceful Sleep, was released in the year 2024. The duration of the song is 2:06. Download Instrumental songs online from JioSaavn.