High quality hour-length MP3: http://whitenoisemp3s.com/sleepy-beach-waves.html

This is an on-location omni-directional binaural field recording. Stereo headphones are preferred for a full three-dimensional audio image in 360-degree surround sound. You can listen with speakers, but that'd be like watching a 3-D movie without the glasses.

Recommended headphones:
http://www.amazon.com/gp/product/B000065BPB?ie=UTF8&t... (less info)