Listen to Relaxing Hum online. Relaxing Hum is an English language song and is sung by Crying, White Noise Babies, Colic Relief, Massage, White Noise for Baby Sleep and Soothing White Noise for Infant Sleeping. Relaxing Hum, from the album Rest-A-Bye Baby, was released in the year 2017. The duration of the song is 4:16. Download English songs online from JioSaavn.