A Hippo Symphony (in Kenya's Mara River)
Other songs by National Geographic
- Gentle River (Gila Wilderness of New Mexico)
- Shrimp Snapping in Water (off of Coast of Mozambique)
- Water Trickling Through a Permafrost Thaw (at Qikiqtaruk-Herschel Island, Canada)
- Bearded Seals Singing from in the Water (Recorded on the Sea Ice off of Point Barrow, Known as Nuvuk, Alaska)
- Burbling Stream (in Western North Carolina)

