Listen to Happy Tails online. Happy Tails is an Unknown language song and is sung by Yin Yoga Academy. Happy Tails, from the album Best Buddy – Calming Music to Relax and Calm Down Your Dog, Pet Relaxation, Stress Relief, Anxiety Medication, Sleep Aids, Music Therapy for Dogs, Comfort and Happiness with Nature Sounds, was released in the year 2015. The duration of the song is 4:15. Download Unknown songs online from JioSaavn.