The story follows the love story of two volcanoes, Uku and Lele. It features a song, Lava, which is written by Murphy and performed by Kuana Torres Kahele and Napua Greig, who voice the two volcanoes.Lava premiered in August 2014 at the Hiroshima International Animation Festival.lot. Uku is a lonely volcano lost in the ocean. Inspired by the animals he sees around him, he sings every day a song where he expresses his wish to have someone to lava. But millions of years go by, and he starts to sink into the ocean, still alone.