Listen to Summer Solstice online. Summer Solstice is an Instrumental language song and is sung by Cat Music Dreams, Cat Music Therapy and RelaxMyCat. Summer Solstice, from the album Cat Sleep Music: Gentle Instrumental Lullabies for Feline Relaxation, was released in the year 2019. The duration of the song is 3:02. Download Instrumental songs online from JioSaavn.