Jungle Pack contains waterfalls, rain, several jungle ambiances that contain insects and birds, animal sounds including kookaburra (bird), frogs, lion, gibbons, drums, new pads, traditional instruments, and breaks. Special thanks to State Azure. This app does not open on its own. This app is a key that unlocks content in Lightning Bug, a sound machine that helps you relax & sleep. Please install Lightning Bug first: https://market. android.com/details? id=com. media1908. lightningbug.