Listen to Mans best friend online. Mans best friend is an Instrumental language song and is sung by RelaxMyDog, Dog Music Dreams and Dog Music Therapy. Mans best friend, from the album Dog Music Ultimate Compilation: Instrumental Lullabies for Canine Sleep and Anxiety, was released in the year 2020. The duration of the song is 3:02. Download Instrumental songs online from JioSaavn.