Listen to Night Time Swamp or River Ambience with Heavy Frogs & Very Shrill Insect Bed online. Night Time Swamp or River Ambience with Heavy Frogs & Very Shrill Insect Bed is an English language song and is sung by Sound Ideas. Night Time Swamp or River Ambience with Heavy Frogs & Very Shrill Insect Bed, from the album Africa Sound Effects, was released in the year 2014. The duration of the song is 2:00. Download English songs online from JioSaavn.