Listen to Sniff at the Hydrant online. Sniff at the Hydrant is an Instrumental language song and is sung by Dog Music Waves, Dog Music Therapy and RelaxMyDog. Sniff at the Hydrant, from the album Dog Music: Music For Dogs to Help with Anxiety, was released in the year 2021. The duration of the song is 3:01. Download Instrumental songs online from JioSaavn.