Listen to Frogs, Night, Vocal, Petroglyphs Sound Effect online. Frogs, Night, Vocal, Petroglyphs Sound Effect is an English language song and is sung by Pro Sound Effects Suite. Frogs, Night, Vocal, Petroglyphs Sound Effect, from the album Pro Sound Effects Suite, Vol. 31: Amphibians, Horses and Insects, was released in the year 2007. The duration of the song is 2:57. Download English songs online from JioSaavn.