During March and February 2019 the third expedition of The Leviathan's Playing was carried out, which was called "Breath of the sea". On this occasion, the recording of the underwater audio of the gray whales was added to the artistic poetic interventions, managing to capture in a more comprehensive way the interaction with this species.

On this occasion, more than twenty volunteers from various origins and very diverse professions participated, who for more than a month were alternating their visits to these cetaceans and rehearsing various forms of poetic interaction with them.