Listen to Wondrous Day online. Wondrous Day is an Instrumental language song and is sung by RelaxMyDog, Dog Music Dreams and Dog Music Therapy. Wondrous Day, from the album Relax My Dog: Calming Songs to Help Dogs with Anxiety BGM, was released in the year 2021. The duration of the song is 2:58. Download Instrumental songs online from JioSaavn.