The Zadar Sea Organ is located under a set of large steps leading into the waves. It is similar to San Francisco’s Wave Organ and Blackpool’s High Tide Organ. There are 35 tubes, as well as a resonating cavity, which make music using the wind and sea. The music sounds eerily like whale calls. The Sea Organ was created by Nikola Basic and was completed in 2005. The architect also created the Sun Salutation, a pattern of glass panels to capture the sunlight, powering a light show behind the organ.