1. Choose a sound In order for nature sounds to start playing choose a sound from drop-down box for one channel and drag the volume slider up. 2. Add more sounds You can add more nature sounds to composition by choosing other sounds in other channels. 3. Pan the channel (with horizontal slider) to the left or to the right for stereo effects. 4. If you want the sound volume to fluctuate instead of playing continuously, click on a drop-down box with a green line and choose one of interrupted lines.